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1、宾语从句Object Clause,表语从句Predicative,主语从句Subject Clasuse,同位语从句Appositive Clause,名词性从句Noun Clause,从句一律保持陈述语序,主语从句,同位语从句,表语从句,宾语从句,实际运用,1.连接词有：that whether 和 lf2.连接代词有：who whom whose which what 等 3.连接副词有：when where why how 等 另外 whatever whoever whichever等 也可 以引导主语和宾语两种从句。,名词性从句中的“that”没有词义，也不作任何成分。除引导宾从外
2、，主从和表从中不省,1.主语从句：从句在句中充当主语成分,1)That the earth is round is true.2)Whether he will come is doubtful.3)What he said surprised me most.4)Where he hid the money is to be found out.5)Whoever comes is welcome.6)Its certain that he will succeed.,7)How we can help the twins will be discussed at the meeting.,
3、8)When theyll start the project has not been decided yet.,It 的用法：（形式主语）It possible/important/necessary/clear that 很可能/重要的是/必要的是/很清楚 It said/reported that据说/据报道 Its been announced/declared that已经通知/宣布 It seems/appears/happens.that显然、明显、碰巧 Its no wonder that并不奇怪/无疑 Its a pity/a fact/a common knowledge
4、(众所周知）/a common saying.（俗话说）,注 意：,What you left are only several old books.What you said is of great importance.What he says and does doesnt concern me.What he says and does dont agree.,“if”不能引导主语从句，应有“whether”引导。,主语从句的“that”一般不能省。,“what”引导主语从句时，谓语动词：1）常与其后作表语的名词一致 2）根据句子的语境而定。,_ he made an importan
5、t speech at the meeting was true.A.That B.Why C.What D.How,2._well go camping tomorrow depends on the weather.A.If B.Whether C.That D.Where,3._ is known to us all is that America is a developed country_the First World.A.Which;belong to B.As,belonged to C.What;belonging to D.It;belonging to,4.Its kno
6、wn to us all _ a form of energy.A.water is B.that water is C.is water D.that water to 5.It worried her a bit _ her hair was turning gray.A.whether B.That C.what D.when6.What I say and think _ none of your business.A.is B.are C.has D have,2.宾语从句：从句在句中充当宾语成分（可以作谓语动词、介词、不定式等非谓语动词的宾语）that,whether，if（tha
7、t 常可省略）连词：who,what,which,whoever,whatever when,where,why,how1).Can you make sure where Alice has put the gold ring.2).It all depends on whether they will support us.3).She will give whoever needs help a warm support.4).He made it clear to the public that he did an important and necessary job.5).I find it necessary that we should do the homework.,注 意：,1.当主句的谓语动词是一般现在时或一般将来时，宾语从句的谓语动词可以用所需要的任何一种时态。2.当主句的谓语动词是一般过去时，宾语从句的谓语 动词要用相应的过去时态，但当宾语从句叙述的内容 为客观真理时，仍然用一般现在时。The teacher told his class that light _ faster than sound.,travels,
