if / whether 引导的宾语从句 一、由if或 whether引导的宾语从句。if/ whether 楚。 常用在ask, wonder, can(could) you tell me 例如：Lily asked if/whether she liked it. 等后，二者通常可以互换。 莉莉问她是否喜欢它。 我想知道他是否住在这儿。 他问我是否可以帮助他。 是否”，说明对陈述的事物不明确或不清I want to know if (whether) he lives there. He asked me whether (if) I could help him. 小试牛刀：1、Mr.Ding asked . Could he come at seven ?2、She wan ted 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 thinkinggf whether we should go fishing. We are worried about whether it will rain tomorrow. （2） （3） 在动词不定式前 （whether to do sth.） : 例如： They asked me whether to go skating. 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 小试牛刀：请用 if、whether填空 1.1 asked her __________ she had a bike. 2. We ' re worried about __________ he is safe. 3. I won der _________ he is well. 4. I don ' t know __________ or not he is well. 5. I don ' t know __________ to go. ' t say. 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 frien ds. 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 me, him等。 引述动词用ask，没有间接宾语的可以加一个间接宾语 例如： She said to Tom, “Can you help me ? ” f She asked Tom if / wheher he could help her. She asked, “Is this book yours or his? 小试牛刀： f She asked me whether that book was mine or his. 1、 The teacher asked, “ Are you waiting for the bus? ”f The teacher asked 2、 He asked , “ Are you a Partymember or a League member? ”f He asked ___________________________________________ 3、 He said, “Did you see me last night? f ______________________________________ . 练习 一、单选题。 1. The young man asked ____ it's summer or win ter. 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. whe n D. what time 4. Does an ybody know ____ we will have a sports meeti ng this weeke nd 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 、按要求填空。 B. rained , was n't go C. rains , won't go D. rain , will go 1、 I want to know ______________________________________ .（ 2、 Ask him ____________________________________ .（ 他是否要和我们一起去 Party） 他是否能来 ） （李先生是否住这里） 3、 Could you tell me _____________________________________ ? 4、 Do they like to go ski in g? 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） 6、She said to Tom, Are there any apples on the table f 7、She asked, Have you finish your homework f 8、 She asked, Will you come with me tomorrow DDBCC whether (if) he will go to the park with us whether (if) he can come 本文来源：https://www.wddqw.com/doc/56048549322b3169a45177232f60ddccda38e6b8.html