表语从句与同位语从句课件-高考英语复习.pptx
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1、表语从句一 定义:在主从复合句中位于系动词之后作表语的从句叫作表语从句。系动词1.表状态:be 2.表感官:look,sound,smell,taste,feel3.表变化:become,grow,turn,fall,get,go,fall4.表持续,保持:keep,remain,stay5.表似乎,像:seem,appear6.其他:prove二 表语从句常用引导词:类别例例词说明明从属从属连词that,whether两者都不作成分,两者都不作成分,that无意无意义,whether表表“是否是否”之意,不能用之意,不能用if替替换,不能省略。,不能省略。连接代接代词what,whichwh
2、o,whom,(ever)whose,在从句中作主、在从句中作主、宾、表、定等成分、表、定等成分连接副接副词when(ever),why,where(ver),how,在从句中作状在从句中作状语其他其他because,as if/thoughas if/though 引引导的从句是事的从句是事实则用用陈述述语气,表虚气,表虚拟则用虚用虚拟语气。气。三 例句1.The most important thing is that we should find the shortest way to the hotel.2.The question is whether they will suppo
3、rt the plan.3.The doubt is who has taken away the valuable painting.4.The girl is whom you will look after.5.You can be whoever you want to be.6.What I want to know is which road we should take.7.It was exactly what I needed.8.My watch didnt work.That is why I was late again.9.Thats where I first me
4、t her.10.The problem is how we do it.11.This is how things worked not very long ago.12.My concern is when the price of housing will decrease to the level we can afford.13.The problem is whose house it is.13.The teacher was angry.That was because he was late again.14.It looks as if/though it is going
5、 to rain.15.You looks as if/though you didint care at all.16.She looks after the baby as if/though he were her own child.四 注意事项1.why 和because引导的表语从句的区别:why后的句子时是结果,because 后的句子是原因。eg.I was late for school.That was because I stayed up too late last night.I stayed up too late last night.That was why I
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