1、Object Clause宾语从句宾语从句引导词1.that（陈述句）2.ifwhether（一般疑问句）3.特殊疑问词（特殊疑问句)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 从句一般过去时过去将来时过去进行时过去完成时语序从句的语序都为陈述句语序客观真理时态是一般现在时态（不变）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?
2、一、引导词that 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 at math.3.Has Lucy seen it?Do you know if/whether Lucy has seen it?if或whether引导由一般疑问句句变来的宾语从句。If 与whether 的区别1.I dont know _ he will come or not.2.That depends on _
3、 weather he can come back.3.He wondered _ to stay here the next week.4._ _ he will come is not decided.与or not 连用只能用whether介词后只能用whether与to do 不定式连用只能用whether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
4、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。Next1.Do it by yourselves.Teacher asked me to do it by yourselves.2.Dont laugh at others.Father told us not 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
5、定式连接。A.What is he doing?二.语序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.宾语从句要用陈述句语序。1.What is he doing?三.时态He asked me what he was doing.2.Does she play piano?Nobody knew if she
6、 played piano.3.He 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。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 rou
7、nd the sun.当宾语从句表示客观真理时,谓语动词用一般现在时。A.He wont go swimming.I think.四.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think/guess/believe时，常将从句的否定移到主句上。1.He didnt know where he could go.五.疑问词+不定式He didnt know where to go.2.Please tell me when well leave.Please tell me when to leave.3.We want to know what well do next.We want to know what to do next.
