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>>>句型转换。1. He has never surfed,_____ _____?(改成反意疑问..
句型转换。
1. He has never surfed,&_____ _____?(改成反意疑问句)&&2. They have been here since 2000.&&(对划线部分提问)_____&_____have they been here?3. This factory opened twenty years ago.(同义句转换)&& This factory&_____&_____&_____ for twenty years.4. Miss Gao left an hour ago.&&(同义句转换)Miss Gao&_____&_____&_____&_____ an hour ago.5. Her mother has been a Party member for three years . (同义句) Her&&mother&_____ the&&Party&&three&&years&&_____.6. The Green Family moved to France two years ago. (同义句转换)&&&_____ two years&_____ the Green family moved to France.7. She went to school yesterday. She didn't bring her bag.(同义句)She went to school&_____ her bag yesterday.8. The girl doesn't know what he should do when she is alone at home.(同义句)The girl doesn't know what&_____&_____ when she is alone at home.9. It's very dark here. We have to stop the work.(同义句)It's&_____ dark here&_____ we have to stop the work.10. When I came back home, I found the windows were all opened.(同义句)When I&_____ home, I found all the window _____.11. Her grandmother has been dead for tow years.(同义句)It&_____ two years since her grandmother_____.12. Bike is short for bicycle.(同义句)Bike is another way&_____&_____ bicycle.13. The match is so important that we must go to watch it.(同义句)It's such an important match, we&_____ _____it.14. The snow was very heavy last night.(同义句)It&_____&_____ last night.
题型:句型转换难度:中档来源:同步题
1. has he&&&&&&&&&&&&&&&&&&&&&&& 2. How long3. has been open&&&&&&&&&& 4. has been away since5. joined ago&&&&&&&&&&&&&&&& 6. It’s since7. without&&&&
8. to do9. so, that&&&&&&&&&&&&&&&&&&&&& 10. came, open11. is, died&&&&&&&&&&&&&&&&&& 12. to say13. can’t miss&&&&&&&&&&&&&& 14. snowed heavily
马上分享给同学
据魔方格专家权威分析,试题“句型转换。1. He has never surfed,_____ _____?(改成反意疑问..”主要考查你对&&反意疑问句,副词,实义动词,情态动词,系动词,不定式&&等考点的理解。关于这些考点的“档案”如下:
现在没空?点击收藏,以后再看。
因为篇幅有限,只列出部分考点,详细请访问。
反意疑问句副词实义动词情态动词系动词不定式
反义疑问句:表示提问人的看法,没有把握,需要对方证实。 反意疑问句由两部分组成:前一部分是一个陈述句,后一部分是一个简短的疑问句,两部分的人称时态应保持一致。1. 陈述部分肯定式+疑问部分否定式可记为前肯后否。&2. 陈述部分否定式+疑问部分肯定式可记为前否后肯。 例如:This pencil is red, isn’t it? Yes, it is. / No, it isn’t.&&&&&&&&&&&&&&& This pencil isn’t red, is it? Yes, it is. / No, it isn’t. 速记:前肯后否,前否后肯,前be后be,前无be后加助,时态一致。反意疑问句的回答:前肯后否,前否后肯,根据事实从后往前翻译。如:(1)They work hard,don’t they?他们努力工作,不是吗?Yes, they do.对,他们工作努力。/No, they don't.不,他们工作不努力(2)They don’t work hard, do they? 他们不太努力工作,是吗?Yes, they do. 不,他们工作努力。/No, they don't. 是的, 他们工作不努力否定反义疑问句的回答当陈述部分为肯定式,反义疑问句为否定式时,其回答一般不会造成困难,一般只需照情况回答即可:"It’s new, isn’t it?" "Yes, it is." “是新的,不是吗?”“是,是新的。”"He wants to go, doesn’t he?" "No, he doesn’t." “他想去,不是吗?”“不,他不想去。”此时,"Yes"即是,对前面"It's new."的肯定。回答反义疑问句的原则回答反意疑问句通常应根据实际情况来确定,如有人问你You are asleep, aren’t you? 你应回答No, I’m not. 因为既然你能回答,肯定你还没有asleep。但如果别人问你 You aren’t asleep, are you?(你还没有睡着,对吗),你也只能回答No, I’m not.(是的,还没有睡着),而不能回答为Yes, I’m not. 也不能回答成 Yes, I am.“It is a beautiful flower,isn't it?” “It isn't a beautiful flower,is it?”上述两句句子的回答肯定均为“Yes,it is."否定为“No,it isn't."由上述例子可知,反义疑问句回答与句子本身所包含的中文肯定与否的含义并无太大关联,只需注意事实,肯定即用yes,否定用no,无需考虑句子原本是前否后肯或是前肯后否。口诀:反意疑问并不难,陈述疑问句中含。前后肯否恰相反,否定词缀不能算。主谓时态要一致,特殊情况记心田。实际情况来回答,再把yes和no拣。综上所述,反义疑问句回答就是按实际情况回答。对反意疑问句的回答,无论问题的提法如何,如果事实是肯定的,就用yes,事实是否定的,就要用no。要特别注意陈述句部分是否定结构,反意疑问句部分用肯定式提问时,回答yes或no与汉语正好相反。这种省略回答的yes要译成“不”,no要译成“是”。例:—He likes playing football, doesn’t he? 他喜欢踢足球,不是吗?—Yes, he does. / No, he doesn’t. 是的。/ 不是。—His sister didn’t attend the meeting, did she? 他妹妹没有参加会议,是吗?—Yes, she did. / No, she didn’t. 不,她参加了。/ 是的,她没参加。快速记忆表:陈述部分的谓语&& 疑问部分I/主语&& aren't I / are Ino,nothing,nobody,never,few, seldom, hardly,rarely, little等否定含义的词&& 肯定含义含有un-,in-.dis-,im-等否定意义的前缀构成的词语时,视为肯定含义&& 否定含义ought to(肯定的)&& shouldn't/ oughtn't +主语have to+v.(had to+v.)&& don't +主语(didn't +主语)used to+v.&& didn't +主语或 usedn't +主语had better + v.&& hadn't youwould rather + v.&& wouldn't +主语you'd like to + v.&& wouldn't +主语must&& 根据实际情况而定感叹句&& be +主语指示代词或不定代词everything,that,nothing,this&& 主语用it并列复合句&& 谓语根据邻近从句的谓语而定定语从句,宾语从句主从复合句&& 根据主句的谓语而定think,believe,expect,suppose,imagine等引导&& 与宾语从句相对应的从句everybody,anyone,somebody,nobody,no one&& 复数they, 单数he情态动词dare或need&& need/needn't (dare/daren't ) +主语dare, need 为实义动词&& do/don't +主语省去主语的祈使句&& will/won't you?Let's 开头的祈使句&& Shall we?Let us 开头的祈使句&& Will you?there be&& 相应的谓语动词+there(省略主语代词)否定前缀不能视为否定词&& 仍用否定形式.反意疑问句19条:1) 陈述部分的主语是I,疑问部分要用 aren't I.I'm as tall as your sister,aren't I?2) 陈述部分的谓语是wish,疑问部分要用may +主语。I wish to have a word with you, may I?3) 陈述部分用 no, nothing, nobody, never, few, seldom, hardly, rarely, little等否定含义的词时,疑问部分用肯定含义。The Swede made no answer, did he / she?Some plants never blown (开花), do they ?4) 含有ought to 的反意疑问句,陈述部分是肯定的,疑问部分用shouldn't / oughtn't +主语。He ought to know what to do, oughtn't he? / shouldn't he?5) 陈述部分有have to +v. (had to + v.),疑问部分常用don't +主语(didn't +主语)。We have to get there at eight tomorrow, don't we?6) 陈述部分的谓语是used to 时,疑问部分用didn't +主语或 usedn't +主语。He used to take pictures there, didn't he? / usedn't he?7) 陈述部分有had better + v. 疑问句部分用hadn't you?You'd better read it by yourself, hadn't you?8) 陈述部分有would rather +v.,疑问部分多用 wouldn't +主语。He would rather read it ten times than recite it, wouldn't he?9) 陈述部分有You'd like to +v. 疑问部分用wouldn't +主语。You'd like to go with me, wouldn't you?10) 陈述部分有must 的疑问句,疑问部分根据实际情况而定。He must be a doctor, isn't he?You must have studied English for three years, haven't you? / didn't you?He must have finished it yesterday, didn't he?11) 感叹句中,疑问部分用用否定的助动词加sb/sth?如:1)What a fine day it is today!What a fine day it is today,isn“t it?2)How fast he runs!How fast he runs,doesn”t he?3)What a long time we have been waiting!What a long time we have been waiting ,haven“t we?12) 陈述部分由neither… nor, either… or 连接的并列主语时,疑问部分根据其实际逻辑意义而定。Neither you nor I am engineer, are we?13) 陈述部分主语是指示代词或不定代词everything, that, nothing, this, 疑问部分主语用it。Everything is ready, isn't it?14)陈述部分为主语从句或并列复合句,疑问部分有三种情况:a. 并列复合句疑问部分,谓语动词根据邻近从句的谓语而定。Mr. Smith had been to Beijing for several times, he should have been in China now, shouldn't he?b. 带有定语从句,宾语从句的主从复合句,疑问部分谓语根据主句的谓语而定:He is not the man who gave us a talk, is he?He said he wanted to visit Japan, didn't he?c. 上述部分主句谓语是think, believe, expect, suppose, imagine等引导的定语从句,疑问部分与宾语从句相对应构成反意疑问句。I don't think he is bright, is he?We believe she can do it better, can't she?15) 陈述部分主语是不定代词everybody, anyone, somebody, nobody, no one等,疑问部分常用复数they,有时也用单数he。Everyone knows the answer, don't they? (does he?)Nobody knows about it, do they? (does he?)16) 带情态动词dare或need的反意疑问句,疑问部分常用 need (dare ) +主语。We need not do it again, need we ?He dare not say so, dare you?当dare, need 为实义动词时,疑问部分用助动词do + 主语。She doesn't dare to go home alone, does she?17) 省去主语的祈使句的反意疑问句,疑问部分用will you。Don't do that again, will you?Go with me, will you / won't you ?注意: Let's 开头的祈使句,后用shall we?Let us 开头的祈使句,后用will you?Let's go and listen to the music, shall we?Let us wait for you in the reading-room, will you ?18) 陈述部分是"there be"结构的,疑问部分用there省略主语代词。There is something wrong with your watch, isn't there?There will not be any trouble, will there?19) 否定前缀不能视为否定词,其反意疑问句仍用否定形式。It is impossible, isn't it?He is not unkind to his classmates, is he?有些动词如:cost hurt hit put 等,它们的过去时与原型相同,在肯定句中一定要先弄清楚它们是什么时态.英语18种特殊的反意疑问句: 1.祈使句。祈使句后一般加上will you或won't you构成反意疑问句,用will you 多表 示“请求”,用won't you 多表示提醒对方注意。例如:   &Look at the blackboard, will you/ won't you?看黑板,好吗?    Let 引导的祈使句有两种情况:    1) Let's...后的反意疑问句用shall we或shan't we。例如:    Let's go home, shall we/ shan't we? 回家吧,好吗?   &还可以用may I来表示征求对方的同意或许可。    2) Let us/me...后的反意疑问句用will you或won't you。例如:   &Let me have a try, will you/won't you? 让我试一试,行吗?    2. 感叹句。感叹句后加反意疑问句时,其反意疑问句需用be的一般现在时态的否定形式。 例如:    What fine weather, isn't it? 多好的天气啊,是吧?   &3. 当陈述部分谓语动词是need, dare, used to,且这些词被用作实义动词时,其反意疑问 句需用do的适当形式。例如:    He needs help, doesn't he? 他需要帮助,是吗?   &4. 陈述部分主、谓语是I am...时,反意疑问句用aren't I 或am't I ,而不是am not I (可 用a m I not)。例如:    I'm working now, am't I? 我在工作,是吗?    5. 陈述部分的主语是everything, nothing, anything或something 时,反意疑问句的主语应用代词it。例如:   &Something is wrong with my radio, isn't it? 我的收音机出毛病了,是吧?    6. 陈述部分的主语是 everybody, everyone, anybody, anyone, somebody, someone, nobody, no one, none, neither 时, 其反意疑问句的主语需用复数代词they。 例如:    Everyone is here, aren't they? 大家都到了,是吗?    No one knows about it, do they? 没有人知道这件事,对吗?    7. 陈述部分的主语是指示代词this或that时,反意疑问句的主语用it,当陈述部分的主语是指示代词these或those时,其反意疑问句的主语用they。 例如:    This is a plane, isn't it? 这是一架飞机,是吗?    These are grapes,aren't they? 这些是葡萄,是吗?    8. 陈述部分的主语是不定代词one时,反意疑问句的主语可以用one,也可用you(美式英语用he)。例如:    One should be ready to help others, shouldn't one? 每个人都应该乐于助人,是吧?    9. 当陈述部分含有以下这些含有否定意义的词时:few, little, seldom,hardly, never, not,& no, no one, nobody, nothing, none, neither等,其反意疑问句需用肯定结构。 例如:   &He is never late for school, is he? 他上学从不迟到,是吗?    10. 当陈述部分所含的否定词是通过加前缀或后缀构成的,其后的反意疑问句依然用否定结构。例如:    && It is unfair, isn't it? 这不公平,是吧?    11.含有否定含义的词在陈述部分作动词的宾语时,其反意疑问句用肯定结构,也可以用否定结构。例如:    You got nothing from him, did you? 你从他那儿什么也没得到,是吗?    12. 当陈述部分主语是从句、不定式(短语)、动词-ing形式时,反意疑问句的主语应该用it。& 例如:    What you need is more important, isn't it?你需要的东西更重要,是吧?    13. 当陈述部分含I think (believe, suppose...)that... 结构时,其反意疑问句须与从句的主、谓语保持一致,注意主句的主语必须是第一人称。例如:    I don't think he will come, will he? 我认为他不会来,对吗?    14.have(has)不是表示“有”的意思,并在句中做谓语时,其反意疑问句的助动词要用do, does, did。例如:    They had a meeting just now,didn't they? 他们刚才开了个会,是吗?    15. 陈述部分有have to 时,其反意疑问句要用助动词的否定形式。例如:    You have to water the vegetables every day, don't you?你每天都要浇菜,对吧?    16. 陈述部分是there be句型时,其反意疑问句中要用there。例如:    There was a hospital here, wasn't there? 过去这儿有家医院,是吗?    17. 陈述部分有had better时,反意疑问句中要用hadn't。&例如:    We had better go to school at once, hadn't we? 我们现在最好马上去上学,好吗? 18. 当陈述部分含有情态动词must时,我们便要分析一下must的含义。如果must 作“一定;要;必须”讲,反意疑问句须用mustn't或needn't;而当must作推测意义“一定 是;必定”讲时,反意疑问句则需根据must后的动词原形选用相应的形式。例如:   &He must work hard at physics, mustn't he? 他必须努力学物理,是吧?    Tom must be at home,isn't he? 汤姆一定在家,是吧?副词:是一种用来修饰动词、形容词、全句的词,说明时间、地点、程度、方式等概念的词。副词是一种半虚半实的词。副词可分为:地点副词、方式副词、程度副词、疑问副词和连接副词。副词连用顺序:程度副词+方式副词+地点副词+时间副词。副词分类:1、时间副词有三类:always, often, usually, sometimes, never, ever, hardly等一般位于系动词、情态动词和助动词之后,实之前义动词1)表示发生时间的副词:It’s beginning to rain now!& 现在开始下雨了!2)表示频繁程度的副词,也称频度副词always, often, usually, sometimes, never, ever, hardly等一般位于系动词、情态动词和助动词之后,实之前义动词:She often changes her mind.& 她常改变主意。3)还有一些其他表示时间的副词:&He has just had an operation. 他刚动过手术。2、地点副词:1)有不少表示地点的副词:She is studying abroad.& 她在国外留学。2)还有一些部分与介词同形的副词。它们与介词同形,跟宾语的是介词,否则是副词:①用作介词:Stand up!& 起立!②用作副词:A cat climbed up the tree.& 猫爬上了树。3)以where 构成的副词也是地点副词:&It’s the same everywhere.& 到处都一样。3、方式副词:carefully, properly(适当地), anxiously(焦虑地), suddenly, normally(正常地), fast, well, calmly(冷静地), politely(有礼貌地), proudly(自豪地), softly, warmly ,slowly4、程度副词:much,little, very,rather(相当),so,too,still, quite, perfectly(完美地), enough, extremely(非常), entirely(整个),almost, slightly(细小地), hardly.5、疑问副词:how, when, where, why.6、关系副词:when, where, why.等。7、 连接副词:therefore(因此),moreover(此外),however,otherwise(另外的),then,when ,where,how,why等。
副词的语法作用:副词在句中可作状语,表语,补语,定语。He works hard. (作状语)他工作努力。You speak English very well. (作状语)你英语讲的相当好。Is she in ? (作表语)她在家吗?Let's be out. (作表语)让我们出去吧。Food here is hardly to get. (here作定语,hardly作状语)这儿很难弄到食物。Let him out!(作补语)让他出去!修饰名词的副词放在被修饰词之后a. The villagers there are busy getting in wheat.不同类型副词的用法比较:方式副词:1)英语中有大量方式副词,说明行为方式(回答how的问题):How beautifully your wife dances.& 你夫人舞跳的真美。2)还有相当多的副词,表示某些情绪:She smiled gratefully.& 她感激的笑了笑。3)还有一些以-ly结尾的副词,表示动作发生的状况:He left the town secretly. 他悄然离开了这座城市。程度副词和强调副词&:1)程度副词可修饰动词,表示“到某种程度”:&& Is she badly hurt?& 她伤得重吗?& [说明] 这类副词除修饰动词外,还可修饰形容词(a)或另一副词(b):a. fairly simple 相当简单&&&&& quite correct 完全正确b. wonderfully well 好极了&&& do it very quickly 干得很快2)much 是一个特殊的程度副词,它可以:a. 修饰形容词等:I’m not much good at singing. 我唱歌不太好。&b. 修饰比较级:You sing much better than me. 你比我唱的好多了。Their house is much nicer than ours. 他们的房子比我们的好多了。疑问副词和连接副词:1)疑问副词:疑问副词用来引导特殊问句:how: How is your grandmother? 你奶奶身体好吗?where: Where does she come from? 她是哪儿人?when: When can you come? 你什么时候能来?why: Why was he so late? 他为什么来得这么晚?2)连接副词:连接副词意思和词形都和疑问副词一样,但都引导从句或与不定式连用:how: Do you know how to start this machine? 你知道这台机器怎样启动吗?where: I don’t know where he lives. 我不知道他住在哪儿。(引导宾语从句)when: Tell me when you’ll be ready. 告诉我你什么时候准备好。(引导宾语从句)why: That’s why I came round. 这就是我来的原因。(引导表语从句)一些其它类型的副词,如表示方向的副词:Let’s go inside. 咱们到里面去。Take two steps forward. 向前走两步。副词的位置:1、实义动词前,be动词、情态动词之后。 I am also Bush. I can also do that. I also want to play that games. I get up early in the morning everyday. 我每天早早起床。 He gave me a gift yesterday. 他昨天给了我一件礼物。 She didn't drink water enough. 她喝的水不够。 The train goes fast. 火车跑得快。 We can go to this school freely. 我们可以免费到这家学校学习。 They left a life hardly then. 当时他们的生活很艰难。 He has a new hat on today. 他今天戴了一顶新帽子。 I have seen this film twice with my friends. 这部电影我和朋友看过两次。 2、副词修饰形容词,副词时,副词在前面,而被修饰的词在后面。 It's rather easy, I can do it. 这很容易,我能做到。 He did it quite well. 他做得相当好。 It's rather difficult to tell who is right.很难说谁是对的。 It's so important that I must tell my friends. 这件事太重要了,我得告诉我的朋友。 It's much better. 好多了。 3、频度副词可放在实义动词的前面,情态动词和助动词的后面。 I often help him these days. 这些日子我经常帮助他。 I always remember the day when I first came to this school. 我常常记得我第一次来学校的那一天。 You mustn't always help me. 你不能老是帮助我。 He seldom comes to see us. 他很少来看我们。 We usually go shopping once a week. 我们通常一周买一次东西。 The new students don't always go to dance. 新学生并不时常去跳舞。 4、疑问副词,连接副词,关系副词以及修饰整个句子的副词,通常放在句子或从句的前面。 When do you study everyday? 你每天什么时间学习? Can you tell me how you did it? 你能告诉我你如何做的吗? First, let me ask you some questions. 先让我来问几个问题。 How much does this bike cost? 这辆车子多少钱? Either you go or he comes. 不是你去就是他来。 The students were reading when the teacher came into the classroom. 当老师进教室时,学生们正在读书。 5、时间副词和地点副词在一个句中, 地点副词在前面时间副词在后面。 We went shopping in the supermarket at 9 o'clock yesterday. 昨天九点钟我们到超市买东西了. What were you doing in the classroom yesterday afternoon? 昨天下午你在教室里干什么? The accident took place in the Eleven Avenue one hour ago. 一小时前十一号大街发生了一场事故。 6、否定副词在句首,句子要倒装,如: Never have I felt so excited! 兼有两种形式的副词:1) close与closely close意思是"近"; closely 意思是"仔细地" He is sitting close to me. Watch him closely. 2) late 与lately late意思是"晚"; lately 意思是"最近" You have come too late. What have you been doing lately? 3) deep与deeply deep意思是"深",表示空间深度;deeply时常表示感情上的深度,"深深地" He pushed the stick deep into the mud. Even father was deeply moved by the film. 4) high与highly high表示空间高度;highly表示程度,相当于much The plane was flying high. I think highly of your opinion. 5) wide与widely wide表示空间宽度;widely意思是"广泛地","在许多地方" He opened the door wide. English is widely used in the world. 6) free与freely free的意思是"免费";freely 的意思是"无限制地" You can eat free in my restaurant whenever you like. Y say what you like. 副词有加a或ly的 区别在于通常加a 的副词描述一种状态,而加ly 的副词则倾向于感觉。 实意动词:即行为动词,表示动作的动词。实义动词与系动词是相对的,能独立用作谓语。它分为及物动词和不及物动词两种:及物动词是指后面要求有直接宾语的动词;不及物动词指后面不需要跟宾语的动词。实意动词使用方法:及物动词后面必须跟宾语意义才完整的实义动词,叫做及物动词(transitive verb)。如:I believe that the committee will consider our suggestion.我相信委员会将会考虑我们的建议。“How long can I keep the book ?”Harry asked.哈里问:“这本书我可以借多久?”Dr. Bethune set us a good example. 白求恩大夫给我们树立了好榜样。Crude oil contains many useful substances.原油含有许多有用的物质。不及物动词本身意义完整后面不须跟宾语的实义动词,叫做不及物动词(intransitive verb)。如:Birds fly.鸟会飞。It happened in June 1932.这件事发生于一九三二年六月。My watch stopped.我的表停了。She spoke at the meeting yesterday evening. 她在昨天晚上的会上发了言。兼作及物动词和不及物动词英语里有不少实义动词可以兼作及物动词和不及物动词。这样的动词又有两种不同的情况a)兼作及物动词和不及物动词时,意义不变。试比较:Shall I begin at once?我可以立刻开始吗?(begin作不及物动词)She began working as a librarian after she left school.她毕业后当图书馆管理员。(began作及物动词)When did they leave Chicago?他们是什么时候离开芝加哥的?(leave 作及物动词)They left last week. 他们是上周离开的。(left 作不及物动词)b)兼作及物动词和不及物动词时,有时意义不尽相同。如:Wash your hands before meals.饭前要洗手。Does this cloth wash well? 这布经得起洗吗?英汉实意动词用法比较:与汉语的比较,有时英语动词的及物和不及物的用法,与汉语的用法不一样,请注意下列两种情况:a)有的动词在英语里只能用作不及物动词,而汉语则可用作及物动词,如arrive到达,agree同意,listen听。英语里这些动词后面常接介词。如:We arrived at the railway station at noon.我们于中午到达火车站。(at不能省去)(比较:We reached the railway station at noon.)Everybody listened to the lecture with great interest.每个人都很有兴趣地听讲课。(to不可省去)(比较:We all heard the lecture.)Do they agree to the plan?他们同意这个计划吗?(to不可省去)b)有的动词在英语里能用作及物动词,而在汉语里则不能用作及物动词,如serve为…服务。Our children are taught to serve the people wholeheartedly.我们的儿童被教以全心全意为人民服务用于be动词之后,实义动词之前。&实意动词的用法:肯定句:主语+动词过去式+其它否定句:主语+助动词didn‘t+动词原型+其他一般过去式:Did+主语+动词原型+其他情态动词:是一种本身有一定的词义,表示说话人的情绪、态度或与语气的动词,但不能单独作谓语,只能和其他动词原形构成谓语。无人称和数的变化,情态动词后面跟的动词需用原形,否定式构成是在情态动词后面加 “not”。个别情态动词有现在式和过去式两种形式,过去式用来表达更加客气,委婉的语气, 时态性不强,可用于过去,现在或将来。情态动词属非及物动词,故没有被动语态。情态动词有四类:   &①只做情态动词:must, can(could),may(might)……   &②可做情态动词又可做实义动词:need, dare    ③具有情态动词特征:have(had, has) to, used to   &④情态动词表猜测 注:mustn't代表强烈禁止 must表示主观,have to表示客观。常用的有:can& may& could& must&& have& use& .情态动词特点:情态动词无人称和数的变化,情态动词后面跟的动词须用原形,否定式构成是在情态动词后面加 "not"。个别情态动词有现在式和过去式两种形式,过去式用来表达更加客气,委婉的语气,时态性不强,可用于过去,现在或将来。情态动词属非及物动词,故没有被动语态。He could be here soon.他很快就来。We can't carry the heavy box.我们搬不动那箱子。I'm sorry I can't help you.对不起,我帮不上你。基本助动词与情态助动词最主要的区别之一是:基本助动词本身没有词义,而情态助动词则有自己的词义,能表示说话人对有关动作或状态的看法,或表示主观设想:What have you been doing since? (构成完成进行体,本身无词义)I am afraid I must be going. (一定要)You may have read some account of the matter. (或许已经)除此之外,情态助动词还有如下词法和句法特征:1) 除ought和used以外,其他情态动词后面只能接不带to的不定式。如果我们把ought to和used to看做是固定词组的话,那么,所有情态动词无一例外地只能接不带to的不定式:We used to grow beautiful roses.我们过去常常种这种漂亮的玫瑰花I asked if he would come and repair my television set.我问他是否来修我的电视机2) 情态助动词在限定动词词组总是位居第一:They need not have been punished so severely.3) 情态助动词用于第三人称单数现在时的时候,没有词形变化,即其词尾无-s形式:She dare not say what she thinks.4) 情态动词没有非限定形式,即没有不定式和分词形式,也没有相应的动名词:Still,she needn't have run away.5)情态助动词的“时”的形式并不是时间区别的主要标志。在不少场合,情态助动词的现在时和过去时形式都可以表示现在、过去或将来时间:Would you mind very much if I ask you to do something?She told him he ought not to have done it.6) 情态助动词之间是相互排斥的,即在一个限定动词词组中只能出现一个情态助动词,但有时却可以与have和be基本助动词连用:You should have washed the wound.Well,you shouldn't be reading a novel.7)情态动词must一般疑问句否定回答用needn'tMust I read books every day、No,you needn't常见情态动词用法:1.can (could) 表示说话人能,可以,同意,准许,以及客观条件许可,could 为 can 的过去式。 2.Must 必须,应该,一定,准是,表示说话人认为有必要做某事,命令,要求别人做某事以及对事物的推测。 must 用来指一般现在时和一般将来时, 过去式可用 have to 的过去式代替。 must + have + 过去分词,表示现在对过去事物的推测。 must 和 have to 的区别:must 表示说话人的主观思想,have to 表示客观需要。 3.need 是一个情态动词,他的用法完全和其他情态动词一样,但 need 还可当作实义动词使用,这时 need 就象其他动词一样,有第三人称,单复数, 后面加带 to 的动词等特性。 needn't + have + 过去分词 表示过去做了没必要做的事情。 4.dare 除用作情态动词外,更多的是当实义动词使用, 用法同实义动词一样,要考虑人称,单复数,时态等。 5.ought 应当,应该。后面跟带有 to 的动词不定式。 ought + to have done 句型。指过去动作,表示一件事情该做而未做。 ought not to have done 句型。表示一件不该做的事情却做了。 6.will (would)决心,愿望。 would 为 will 的过去式, will, would用于疑问句表示说话人向对方提出请求或询问,用 would 比 will 更婉转,客气。 7.Shall、should 表示命令,警告,允诺,征求,劝告,建议,惊奇。 8.have to,不得不,必须,表示客观条件只能如此,而must 则表示主观思想。情态动词功能:助动词主要有两类:基本助动词和情态助动词。基本助动词有三个:do,have和be;情态助动词基本的有十四个:may, can, will, shall, must, need, dare, used to, ought to.had better 上述两类助动词的共同特征是,在协助主动词构成限定动词词组时,具有作用词的功能: 1) 构成否定式: He didn't go and neither did she. The meeting might not start until 5 o'clock. 2) 构成疑问式或附加疑问式: Must you leave right now? You have been learning French for 5 years, haven't you? 3) 构成修辞倒装: Nowhere can he obtain any information about his sister. Hardly had he arrived when she started complaining. 4) 代替限定动词词组: A: Who can solve this crossword puzzle? B: Tom can. A: Shall I write to him? B: Yes, do. 情态动词表推测的用法小结    (一)情态动词表推测的三种句式   &1.在肯定句中一般用must (一定),may(可能),might /can, could(也许,或许)。    (1)He must/may/might know the answer to this question?   &&&&&&&&&&&他一定/可能/也许知道这个问题的答案。    (2)It is cold in the room. They must have turned off the heating.    &&&&&&&&& 屋里很冷,他们肯定把暖气关了。   &2. 否定句中用can’t / couldn’t(不可能), may not/might not (可能不)。    (1)It can’t/couldn’t be the headmaster. He has gone to America.& 这不可能是校长,他去美国了。    (2)He may not/might not know the scientist. 他也许不认识那位科学家。    3. 疑问句中用can/could (能……?)。   &&(1)Could he have finished the task?&他可能把任务完成了吗?   &&(2)Can he be at home now?& 他现在能在家吗?    注:以上三种句式中情态动词的语气按程度都是依次递减的。Might, could并非may, can的过去式,而表示语气较为委婉或可能性较小。    (二)情态动词表推测的三种时态    1. 对将来情况的推测,用“情态动词 + 动词原形”。   &(1)She must / may / might / could arrive before 5.& 5: 00 前她一定/可能/也许到。   &(2)She must/may/might/could walk miles and miles among the hills without meeting anyone.    &&&&&&&&&& 她一定/可能/也许会在山里一连走好几英里而遇不到一个人。    2. 对现在或一般情况的推测,用“情态动词 + be”,“情态动词 +be doing”或 “情态动词 + 动词原形”。   &(1)He must / may / might / could be listening to the radio now. 他一定/可能/也许正在听收音机。    (2)He can’t ( couldn’t ) / may ( might ) not be at home at this time. 这个时候他不可能/可能不在家。    (3)Mr. Bush is on time for everything .How can ( could ) he be late for the opening ceremony ?    &&&&&&&&& 布什先生一向准时,这次开幕式他怎么可能迟到呢?   &3.对过去情况的推测,用“情态动词 + have +过去分词”。    (1)It must / may / might / could have rained last night .The ground is wet.& 地湿了,昨晚肯定/可能/也许下雨了。    (2)The door was locked. He can ( could ) not / may ( might ) not have been at home . 门锁着,他不可能/可能不在家。    (3)Can / Could he have gotten the book? 难道他找到书了吗?   &注:情态动词 should /ought to表推测时,意为“想必会,理应……”但与“have +过去 分词”连用时,则又可构成虚拟语气意为“本应该做某事却没做”。&例如:    (4)It’s seven o’clock. Jack should/ought to be here at any moment.    &&&& 现在七点钟了,杰克理应随时到达。(推测)    (5)She should / ought to have attended your birthday party, but she had to look& after her mother in hospital. (虚拟)    她本该出席你的生日晚会的,可是她得在医院照顾她妈妈。    (6)Tom should not /ought not to have told me your secret, but he meant no harm.&& (虚拟)    汤姆本不该告诉我你的秘密,可是他并无恶意。系动词:亦称连系动词。作为系动词,它本身有词义,但不能单独用作谓语,后边必须跟表语,亦称补语(形容词),构成系表结构说明主语的状况、性质、特征等情况。系动词的分类:1)状态系动词用来表示主语状态,只有be一词,例如:He is a teacher. 他是一名教师。(is与补足语一起说明主语的身份。)2)持续系动词用来表示主语继续或保持一种状况或态度,主要有keep, rest, remain, stay, lie, stand, 例如:He always kept silent at meeting. 他开会时总保持沉默。This matter rests a mystery. 此事仍是一个谜。3)表像系动词用来表示"看起来像"这一概念,主要有seem, appear, look, 例如:He looks tired. 他看起来很累。He seems (to be) very sad. 他看起来很伤心。4)感官系动词感官系动词主要有feel, smell, sound, taste, 例如:This kind of cloth feels very soft.这种布手感很软。This flower smells very sweet.这朵花闻起来很香。5)变化系动词这些系动词表示主语变成什么样,变化系动词主要有become, grow, turn, fall, get, go, come, run.例如:He became mad after that. 自那之后,他疯了。She grew rich within a short time. 她没多长时间就富了。6)终止系动词表示主语已终止动作,主要有prove, turn out, 表达"证实","变成"之意,例如:The rumor proved false. 这谣言证实有假。The search proved difficult. 搜查证实很难。His plan turned out a success. 他的计划终于成功了。(turn out表终止性结果)系动词使用的注意事项:系动词本身有一定的词义,不能单独作,后面必须与连用。复习时,必须注意以下几个问题:
1.be是最重要的系动词,不同,be的形式也不同,且有的变化。
a通常表示的特征、状态和身份等,后面接形容词、、名词、短语、、v-ing、及作表语。
b特别要注意“由be+”所构成的与“由be+过去分词”所构成的的区别。
c前者侧重于表示的特征或所处的状态,通常没有由by引导的短语。
如:The door was closed.
后者侧重于强调主语是所示动作的承受者,表示动作;句中可以用由by引导的。如:The door was closed by me.
d还要注意“由be+ V-ing所构成的与“由be+ V-ing”所构成的进行时态的区别。
前者侧重于说明主语具有的特征或存在的状态,也可说明主语是什么。如:My job is teaching English.
后者侧重于强调主语正在做某事。如:Mr Wang is reading an evening paper now.
2. 要注意由转化成的系动词。
a表示人体感官的系动词有sound,taste,look,feel,smell等,后面接形容词;
b表示主语从一种状态转变到另一种状态的系动词有become,get,go,turn,run,grow,come,fall,prove等,后面接形容词、名词或 to be+形容词,become后面接单数名词时,名词前要用,turn后面接单数名词时,名词前不用;
c表示主语继续或保持某种身份、或的系动词有continue,keep,remain,stay,stand lie,rest,stay等,后面接表示状态的形容词;
d表示判断的系动词有seem和appear,后面接形容词、to be+名词或形容词、that-clause、不定式等。
3. 要注意系动词的固定搭配。常见的有come true, fall asleep, fall ill, go bad, come right, run wild, wear thin, turn nasty等。
4.要特别注意某些动词既可以做系动词,又可以做实意动词的用法。
系动词部分主要注意:其后要求接形容词,而不是做。遇到这种情况,只能先根据其意思判断清楚到底是前者还是后者,然后再对后面的词性和词义做出正确判断和选择。以taste一词为例:
The newly-invented soft drinking tastes quite unique.(这种新研制的软饮料尝起来挺独特的。注意:在这句话里,taste做系动词,不能使用进行时,后面接。)
The chef is tasting the fish carefully.(厨师长正在品尝这道鱼。注意:在这句话中,taste做,可以使用,并且后面接副词做。)系动词用法点拨:1.系动词的进行时态应分情况讨论。一般地说,状态系动词无进行时态,而动态系动词有进行时态。但是在某些情况下,状态系动词也有进行时态,表示两个用途:一是表示一种短暂的、反常的状态。如:He is being kind.(一时而不能持久的性质)他装出和蔼可亲的样子。二是表示一种探询口气,使语言客气、生动、亲切。例如:I hope you are keeping well.(语气委婉)我希望你保持健康。Are you feeling any better?(语气亲切)你感觉好了些吗?试比较:Your hand feels cold.(无意识的静态性质。)你的手摸起来冰凉。不可以说:Your hand is feeling cold.(×)但可以说:The doctor is feeling her pulse.(有意识的动态动作)医生正在给她拿脉。The soup tastes good.(静态性质,无进行时)这汤的味道不错。The cook is tasting the soup.(动态动作,有进行时)厨师在尝汤的味道。
总之,系动词有无进行时态应随系动词的意义或其语境变化而变化。我们在概述某一动词的进行时态时,不能笼统地说feel,smell无进行时,应指出其意义及其语用环境。例如smell的用法可见一斑。①smell作“嗅觉”的能力时,虽是实义动词,但指的是一种性质的存在状态不能用于进行时态,常与can, could, be able to连用。The camels can smell the water a mile off.骆驼能嗅出一英里外有水。②指“嗅、闻”的动作时,实义动词,可用于进行时态。The girl is smelling the flower.这姑娘正在闻那朵花。③smell指“含有……气味”,“发出……气味”等事物性质时,半系动词,无进行时态。The dinner smells good.这饭菜闻起来真香。
2.系动词的时态与形容词的比较级连用的问题。某些含有变化意义的动态系动词如get, become, grow, turn等的进行时态可与形容词的比较级连用,表示渐进过程,其意思是“越来越……”。例如:He is growing taller and taller.他长得越来越高了。Our life is getting better and better.我们的生活是越来越好了。The things are getting worse.情况是越来越糟了。
3.所有半系动词的被动语态要分情况讨论。英语中某动词在作系动词用时,无被动语态,而作实义动词用时,才有被动语态,二者不可混为一谈。例如:不能说:The apple is tasted good.(因为taste此时是系动词,“尝起来”之意,指的是苹果的性质,无被动语态)但我们可以说:The apple is tasted by me.这苹果被我尝了一下。(taste此时指“尝一尝”这一动作,有被动语态)因此,在平时的英语教学和学习之 ,要有意注意半系动词在具体的语言环境中到底是系动词用法还是实义动词用法,要注意区分、识别。
4.瞬间动态系动词能否与时间段连用的问题英语中某些表示瞬间意义的系动词不能与“for+时间段,since+时间点,how long until+时间,by + 时间,so far”等直接连用。例如:①不能说:He has become a teacher for 2 years.应改为:He has been a teacher for 2 years.②不能说:He has turned writer since 3 years ago.应改为:He has been a writer since 3 years ago.或It is three years since he turned writer.③不能说:He got angry until his child came back home.应改为:He didn’t get angry until his child came back home.
5.系动词能接几种表语(从句)系动词除了接adj.\n.\prep.短语,某些adv.以外,还可接以下几种表语形式:①能接as if/as though表语从句的系动词有:look(看起来),smell(闻起来),sound(听起来),feel(觉得);appear(显得),seem(似乎)。例如:It looks as if we are going to have snow.看样子天要下雪了。He looked as if he had just stepped out of my book of fairy tales.他看来好像刚从我的童话故事中走出来似的。She seemed as if (though) she couldn’t understand why Laura was there.看来她好像不能理解为什么劳拉呆在那儿。It sounds to me as though there’s a tap running somewhere.我好像听到某处水龙头流水的声音。She felt as if her head were splitting.她仿佛觉得她的头要裂开了。The river appeared as if enveloped in smog.那条河好像笼罩在烟雾之中。It seems as if it were spring already.好像已是春天了。②可用于“It+系动词+that从句”结构的有:seem, appear, 不可用be, look。如:It seemed that he had made some serious mistakes in his work.好像他在工作中犯了严重错误。It appeared that he was talking to himself.好像他在自言自语。③能用不定式作表语的系动词有:be, seem, get, look, appear, prove, grow.Her job is to look after the children.她的工作是照料孩子们。He seems not to look after the children.他好像不是她的父亲。She looks to be a young girl of twenty year-old.她看起来像是一个20岁的年轻姑娘。He didn’t appear to dislike it.看不出他憎恨此事。My advice proved to be wrong.我的建议证明是错误的。He will grow to like this work gradually.他会逐渐喜欢这个工作的。④能与there连用的系动词有:be, appear, seem.There appeared to be only one room.那儿好像只有一个房间。There seems(to be)no need to go.似乎没有必要走。
6.能用两种否定形式的系动词有两个:seem, appear.举例说明:It doesn’t seem that we can get our money back.= It seems that we can’t get our money back.He seems not to be her father.= He doesn’t seem to be her father.The baby doesn’t appear to be awake.= The baby appears not to be awake.
7.后接作表语的过去分词可构成系表结构能构成系表结构的系动词通常有两个:第一个是常见的be(is, am, was等);第二个是get,口语中常用。当二者作系动词用时,它们均表示一种存在状态,而不表示被动动作;当二者作助动词用时,后接作谓语的过去分词构成被动语态。Be + P.P常可以用get + P.P.来代替,但是并不是be系动词总是可以用get来代替。Get + P.P.系表结构常用于以下两种情况:1)表示偶然的、突发性的、意想不到的被动动作的结果或状态。Last night I got caught in the downpour.昨夜我被雨淋了(表示意想不到)The new car got scratched.新车给刮坏了。(表突发性)2)表示对自身所作的事。如get dressed, get lost等。John got injured while playing football last Saturday.约翰上周星期六踢足球时受了伤。They got married last month.他们上个月结婚了。另外,要注意区分系表结构与被动语态结构的用法。动词不定式:指由to加上动词原形(而且只能是动词原形)所构成的一种非限定性动词,但在有些情况下to可以省略。动词不定式在语法功能上可作主语、宾语、宾语补足语、表语、定语和状语。动词不定式可以作以上各种成分,但它毕竟是动词,所以有动词的属性。动词不定式及其短语还可以有自己的宾语、状语,虽然动词不定式在语法上没有表面上的直接主语,但它表达的意义是动作,这一动作一定由使动者发出。这一使动者我们称之为逻辑主语,其形式如下:
(not) to do
(not)&to be done
(not) to have done
(not) to have been done
(not) to be doing
完成进行式
(not) to have been doing
&不定式的用法:1、不定式作主语 例如:To remember this is very important. 注意:为了避免头重脚轻,在许多情况下,通常都将作主语的不定式置于句子后部,而在句首主语位置使用形式主语it。 例如:It is very important to remember this. 2、不定式作表语例如:He seems to be ill. 注意:不定式作表语主要有三种情况,一是用于seem, appear, prove等系动词之后的不 定式(尤其是to be),二是像My job is to sweep the floor. 这样的主语与表语“等价”的情形,三是表示想法、约定、义务、命令、可能性、命运等,如:&You are to come when I call. 3、不定式作宾语 例如:I can not afford to buy a car. 注意:①不定式不仅用作动词的宾语,还可用作个别介词(but, except)的宾语。 例如:I had no choice but to wait. ②当作宾语的不定式后跟有宾语补足语时,通常要用形式宾语it代替不定式,并将真正的宾语不定式置于宾语补足语之后 例如:I find it difficult to learn Japanese well. 4、不定式作宾语补足语 例如:Who taught you to drive? 5、不定式作定语 例如:I have a question to ask you. 注意:有的名词(如way, chance, right等)后用作不定式可换成of doing sth. 如:It is the best way to do (of doing) it. 但是以下名词后接不定式作定语时通常不能换成of doing sth. attempt& courage& decision& effort& fortune& failure& invitation& wish 6、不定式作状语 例如:I went to France to learn French.
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