if、whether引导的宾语从句

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宾语,从句,引导,whether
ifwhether引导的宾语从句

if / whether引导的宾语从句



一、由ifwhether引导的宾语从句。if/ whether “是否”,说明对陈述的事物不明确或不

清楚.常用在ask, wonder, cancould you tell me 等后,二者通常可以互换。 例如:Lily asked if/whether she liked it.莉莉问她是否喜欢它。

I want to know if whether) he lives there.我想知道他是否住在这儿。 He asked me whether (if I could help him。他问我是否可以帮助他。 小试牛刀:1MrDing asked Could he come at seven



2She wanted to know. Did you have a good time?





二、只能用 whether不能用 if 的情况

1)在介词后面:



例如:I'm thinking of whether we should go fishing We are worried about whether it will rain tomorrow. (2)在动词不定式前(whether to do sth) 例如:They asked me whether to go skating. 3)当与or not连用,或提出两种选择时: 例如:I don’t know whether he's free or not。

Mary asked whether I was doing my homework or not. (4 宾语从句提前时:

例如:Whether this is true or not, I can’t say。 小试牛刀:请用ifwhether填空

1 I asked her___________ she had a bike 2 Were worried about ___________ he is safe 3 I wonder ___________ he is well.

4. I dont know ___________ or not he is well. 5. I dont know ___________ to go



三、宾语从句的语序:引导词+主语+谓语+其他成分

例如:I think that we can be good friends. I can’t remember if I posted the letter。 May we ask what you are doing?



四、特殊的宾语从句-——间接引语



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ifwhether引导的宾语从句

当直接引语是一般疑问句,改为间接引语时,连接代词用ifwhether,而引述选择疑问句时用whether引述动词用ask,没有间接宾语的可以加一个间接宾语me him等。

例如:She said to Tom,“Can you help me ?” →She asked Tom if / whether he could help her She asked,“Is this book yours or his?” →She asked me whether that book was mine or his.

小试牛刀: 1



The

teacher

asked



“Are

you

waiting

for

the

bus?”→The

teacher

asked .

2He asked Are you a Party member or a League member?"→He asked 3He said,“Did you see me last night?” ______________________________________



练习

一、单选题.

1. The young man asked _____ it's summer or winter.

A either B that C weather D. whether

2 I don't know _________ he will come tomorrow _________ he comes, I'll tell you A if Whether B whether Whether C if; That D. if If 3. The teacher asks us ____ Jim can come back on time .

A. that B. if C. when D what time

4. Does anybody know ______ we will have a sports meeting this weekend or not A. if B. where C whether D. that 5. He says that if it _______ tomorrow he _____fishing

A. will rain , won't go B rained , wasn’t go C。 rains won’t go D。 rain , will go



二、按要求填空.

1 I want to know ______________________________________ (他是否要和我们一起去Party 2Ask him ______________________________________ (他是否能来)

3 Could you tell me______________________________________ ?(李先生是否住这里) 4Do they like to go skiing He asked (将句子合并为一句) 5 Is she doing her homework? Jim asked (将句子合并为一句)

6She said to Tom,“Are there any apples on the table ?” .



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