初中英语宾语从句 (2)ppt课件

1、Object Clause宾语从句宾语从句宾语从句引导词引导词1.that1.that（陈述句（陈述句 ） 2.if 2.ifwhetherwhether（一般疑问句（一般疑问句 ） 3.3.特殊疑问词（特殊疑问句特殊疑问词（特殊疑问句) )时态时态主句为一般现在时从句为任意时态主句为一般现在时从句为任意时态主句为一般过去时主句为一般过去时从句从句一般过去时一般过去时过去将来时过去将来时过去进行时过去进行时过去完成时过去完成时语序语序 从句的语序都为陈述句语序从句的语序都为陈述句语序客观真理客观真理 时态是一般现在时态（不变）时态是一般现在时态（不变）1.I am sure (that) it

2、 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? 一、引导词一、引导词that 引导由陈述句变来的宾语从句。引导由陈述句变来的宾语从句。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

3、 at math. 3. Has Lucy seen it?Do you know if/whether Lucy has seen it ?if或或whether引导由一般疑问句句变来的宾语从句。引导由一般疑问句句变来的宾语从句。If 与whether 的区别I dont know _ he will come or not.That depends on _ weather he can come back.He wondered _ to stay here the next week._ _ he will come is not decided. 与与or not 连用只能用连用只能

4、用whether介词后只能用介词后只能用whether与与to do 不定式连用只能用不定式连用只能用whether句首只能用句首只能用whetherwhetherwhetherwhetherWhetherA. 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?疑问词引导由特殊疑问句句变来的宾语从句。

5、疑问词引导由特殊疑问句句变来的宾语从句。Next1. Do it by yourselves.Teacher asked me to do it by yourselves.2. Dont laugh at others.Father told usnot to laugh at others.3. Dont play in the street.He wanted him not to play in the street.祈使句不能变成宾语从句，但可以用不定式连接。祈使句不能变成宾语从句，但可以用不定式连接。A. What is he doing?二二.语序语序He asked me wh

6、at 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.宾语从句要用陈述句语序。宾语从句要用陈述句语序。1. What is he doing?三三.时态时态He asked me what he was doing. 2. Does she play piano?Nobody knew if she played piano. 3. H

7、e will go to the cinema.He said that he would go to the cinema.当主句为一般过去时态，宾语从句要用过去的相应时态。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?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 e

8、arth goes round the sun.当宾语从句表示客观真理时当宾语从句表示客观真理时,谓语动词用一般现在时。谓语动词用一般现在时。A. He wont go swimming. I think.四四.否定前移否定前移I dont think that he will go swimming.B. He didnt finish it. We guess.We dont guess that he finished it. C. Tom cant dance. We believe.We dont believe that Tom can dance.当宾语从句表示否定的意义、主句为第一人称、动词为当宾语从句表示否定的意义、主句为第一人称、动词为think/guess/believe时，常将从句的否定移到主句上。时，常将从句的否定移到主句上。1. He didnt know where he could go.五五.疑问词疑问词+不定式不定式He didnt know where to go