初中英语宾语从句ppt(共12张PPT)

If 与whether 的区别
1. I don’t know wh_e_t_h_er_ he will come or not. 与or not 连用只能用whether
2. That depends on _w_h_e_ther weather he can come back. 介词后只能用whether
当宾语从句表示客观真理时,谓语动词用一般现在时。
1. What is he doing? Could you tell me what he is doing.
2. Light travels faster than sound. He said that light travels faster than sound.
3. The earth goes round the sun. He said that the earth goes round the sun.
当宾语从句表示否定的意义、主句为第一人称、动
四.否定前移 词为think/guess/believe时，常将从句的否定移到
主句上。
A. He won’t go swimming. I think.
A. What are you doing? He asked me what I was doing.
B. Where does Jim live? Every wants to know where Jim lives.
C. How can he get to school? Do you know how he can get to school?
Object Clause 宾语从句
1.that（陈述句 ）
引导词 2.if／whether（一般疑问句 ）
3.特殊疑问词（特殊疑问句)
宾
主句为一般现在时从句为任意时态
语 时态
一般过去时 过去将来时
从 主句为一般过去时 从句 过去进行时
句
过去完成时
客观真理 时态是一般现在时态
（不变）
语序 从句的语序都为陈述句语序
◆ I don’t thinkthat he will go swimming. B. He didn’t finish it. We guess.
◆ We don’t guessthat he finished it. C. Tom can’t dance. We believe. ◆ We don’t believethat Tom can dance.
3. Don’t play in the street. He wanted him not to play in the street.
二.语序 宾语从句要用陈述句语序。 A. What is he doing? He asked me what he was doing. B. Where does Jim go? Every wants to know where Jim goes. C. Is there an apple on the table ? Please tell me if there is an apple on the table.
3. He wondered _w_h_e_ther to stay here the next week. 与to do 不定式连用只能用whether
4. W_h_e_th_er he will come is not decided. 句首只能用whether
疑问词引导由特殊疑问句句变来的宾语从句。
一、引导词 that 引导由陈述句变来的宾语从句。 1.I am sure (that) it is a good story. 2.I think (that) it is a bus station. 3.We can see (that) they are skating happily. 4.Do you think (that) it is a sunny day?
Next
祈使句不能变成宾语从句，但可以用不定式连接。
1. Do it by yourselves. Teacher asked me to do it by yourselves.
2. Don’t laugh at others. Father told us not to laugh at others.
三.时态 当主句为一般过去时态，宾语从句要用过去
的相应时态。
1. What is he doing? He asked me what he was doing.
2. Does she play piano? Nobody knew if she played piano.
3. He will go to the cinema. He said that he would go to the cinema.
if或whether引导由一般疑问句句变来的宾语从句。
1. Can you swim? He asked me if/whether I could swim.
2. Are they good at math? She wonders if/whether they are good at math. 3. Has Lucy seen it? Do yБайду номын сангаасu know if/whether Lucy has seen it ?
五.疑问词+不定式 1. He didn’t know where he could go. He didn’t knowwhere to go. 2. Please tell me when we’ll leave.
Please tell me when to leave. 3. We want to know what we’ll do next.
We want to know what to do next.