十一、宾语从句：充当宾语的句子考试标准: 掌握宾语从句的语序、时态呼应及连接词的用法。 对宾语从句应注意以下三要素： 1. 引导词 2. 语序 1. 引导词 1)that 引导一般疑问句意义的宾从(that 可省) eg. He says (that) the boy is a lilltle weak in Chinese. 2)疑问词引导特殊疑问句意义的宾从 eg. ①.Do you know who will give us a talk? ②.I don’t know whose book that is. ③.Could you please tell which gate we have to go to? ④.I wonder when he will come back. 注意：此类宾从的主语与主句的主语（或宾语）相同时，可替换为“疑问词 + to do” eg. ①.I haven’t decided where I will go =I haven’t decided where to go ②.He asked me what I bought = He asked me what to buy. 类似短语：how to do _____what to say_____ what to do _____where to go____ 3)if/whether(是否)引导一般疑问句意义的宾从 eg. ①.―Do you like this book?‖ she asked me. =She asked me ___ I liked this book. ②.―Have you visited the Great Wall?‖ Could you tell me? =Could you tell me _____ you have visited the Great Wall? 注意以下几点： ⅰ.区别 if 当作“是否” ，还是“如果” eg. I don’t know if he ______ (come)if it ______(rain) tomorrow. ⅱ.用 whether 不用 if 的几种情况 3. 时态1)后接不定式 eg. I can’t decide whether to go to Beijing. 2)与 or / or not 连用 eg. I want to know whether you will go to the park or not. 3)在句首时 eg. Whether this is true or not, I can’t say. 4)whether 还可以引导让步状语从句，意为“不管，无论” eg. Whether it rains or not, we are going to the park tomorrow. 2.语序：宾从用陈述句语序 eg. 1)I don’t (A) know whether (B) will he (C) come (D) tomorrow. _____________ 2)He asks (A) me when (B) will you (C) come back (D)._____________ 3)Could you tell (A) how many players (B) are there (C) in (D) a football team? ________ 3.时态主句 一般现在时 宾语从句 一切时态 过去范畴的某一时态（一般 一般过去时 过去时；过去进行时；过去 完成时；过去将来时）?she goes to school every day. ? eg.1) She says(that)?she has been ill for five days. ?she will com etom orrow . ??she went to school every day. ? 2) She said (that)?she had been ill for five days. 但 ?she would com ethe next day. ?当宾语从句是指客观事实、普遍真理、自然现象时，则只能用一般现在时。eg. She said (that) the sun rises in the east.练习( )1.Alice wanted to know ____ her grandma liked the dog. A. that B. if C. which D. what( )2.Can you tell us ____ ? A. where have you gone B. where have you gone C. where you have been D. where have you been ( )3.Do you still remember ____ ? A. that he said C. did he say that B. what he said D. what did he say( )4.The weather here changes very often and we can’t tell ____ it will be like tomorrow. A. that B. how C. what D. whether( )5.—What did the scientist say? ---He said he wondered if ____into space by spaceship one day. A. he had to fly C. can he fly B. he could fly D. could he fly( )6.Do you know___from Wuhan to Xi’an ? A. how far it is C. how long it is B. how far is it D. how long is it( )7.Could you tell me ____? A. where do you live B. who you are waiting for C. who were you waiting for D. where you live in ( )8.—Is the lake there beautiful? -– This photo will show you ____. A. how does it look like B. what does it look likeC. how it looks likeD. what it looks like( )9. I don’t know ____ bought the present for me. Is it Jack? A. which B. who C. whose D. what( )10.Could you show us ____ a bike ? A. how to mend C. where to go B. what to buy D. how many to buy连词　知识讲解　wether和if的区别及其用法（北京四中网校－〉名师答疑－〉初三－〉英语...
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连词　知识讲解　wether和if的区别及其用法（北京四中网校－〉名师答疑－〉初三－〉英语...
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喜欢该文的人也喜欢I don’t know or not he will come . he comes , I will call you .A． If B． Whether C． If D． Whether 题目和参考答案——精英家教网——
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I don’t know _____ or not he will come . _______ he comes , I will call you .A． If B． Whether C． If D． Whether
解析试题分析：句意：我不知道他是否会回来。如果他来了，我给你打电话。第一空 用于宾语从句中whether or not……表示是否……..。第二空，引导条件状语从句用连词if引导，并用一般现在时表示一般将来时。故选A。考点：考查连词的用法。
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I don’t know whether he likes the movie or not中的or not 能不能去掉,or not 与whether 有何区别举个例句
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or not 不是必须加的,这句话完全可以写成I don’t know whether he likes the movie.复旦大学出的权威语法书上说：当后面紧跟or not时,例如：we didn't know whether or not she was ready.此时只能用whether.但是!注意了!后面说：whether或if均可表示“是否”的情况如下：引导宾语从句,例如 I wonder whether/if the news is true or not.平时老师一直说or not用whether,其实是有问题的.whether 和 or not 没有什么区别可言.
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你得了解whether的用法，whether(引导名词从句),意思为 是否 。举例Ask him whether he can come or not. 问问他是否能来。 I don't know whether you like flowers, sir. 先生,我不知道您是否喜欢花。 所以不可以问or not 与whether 有何区...
不能。英文里有些词一定要连在一起，就像中文的”越。。。越。。。“。
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为什么不能用if
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一、引导宾语从句，一般既可用whether也可用if。但　　1 or not放在whether之后时，只能用whether不用if。　　I don’t know whether or not he will come. 我不知道他是不是回来。　　注1：如果or not放在whether所引导的从句句尾，则可以用if来替换。　　I don’t know whether/if he will come or not.我不知道他是不是回来。　　2 在强调任意选择时,用whether…or,此时不用if替换whether。　　He asked me whether I wanted to go there by train or by bus.他问我是想乘火车还是坐公共汽车去那里。　　注：whether和or一起还有“不管”之意,引导让步状语从句。　　Whether he drives or takes the train, he will be here on time.不管开车来还是乘火车来，他都会准时到。　　3 虽引导宾语从句，但为了强调宾语部分，也可把从句放在句首，此时只用whether不用if。　　Whether he will come I am not sure.他是不是来我拿不准。　　4 从句作介词宾语时只用whether不用if。　　It depends on whether it will be fine.那得看是不是晴天。　　5 作discuss等动词的宾语时，用whether不用if。　　We discussed whether we should close the shop.我们讨论是不是该关掉商店。　　6 句子中有if引导的条件句，如再有表示“是否”的宾语从句，用whether不用if。　　He asked me whether I’d move to New York if I got the job.他问我如果我得到那份工作是否会搬家到纽约。　　7 容易产生歧义时用whether不用if来表示“是否”。 　　Please let me know if you need help. 如果你需要帮助请告诉我。或：请告诉我你是否需要帮助。对比：Please let me know if you need help.请告诉我你是否需要帮助。　　8 如果宾语从句为否定句时，则只用if不用whether。　　I don’t know if it won't rain tomorrow..我不知道明天是不是会下雨。二、在引导主语从句、表语从句、同位语从句时一般用whether不用if。如：　　⑴Whether it is true remains a question.(主语从句)那是不是真的还是个问题。　　⑵The question is whether it is true.(表语从句)问题是是不是真的。　　⑶We have a doubt whether it is true.(同位语从句) 我们怀疑那是不是真的。　　注:whether引导主语从句放在主句之后时可用if来代替。It is unclear whether/if he likes the present.他是不是喜欢那个礼物还不清楚。三、用在动词不定式之前时用whether不用if。　 I don’t know whether to go there at once. 我不知道是不是该立刻去那里。 &收起
第一题有歧义吗？
哈哈，其实那个回答你问题的小姑娘比较懂你问她吧
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因为在这里用if会有歧义。If即有如果的意思，也有是否的意思
那什么时候用if
当它表示如果的时候是可以用的
在没有歧义的情况下，可以和whether互换
第一题什么情况
可以翻译成如果他对英语有兴趣老师就问Jim
如果这样译的，那if所有情况就都不能用了！
我认为这个问题还是可以用if的
好的，要采纳哦(⊙o⊙)哦
我的回答满意吗？请采纳
第一题什么情况？
那是引导词吧！
如果连接的是陈述句就用if或Whether，它们都是引导词，如果你区分不开，不管什么情况下你都用Whether
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为什么是句首
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