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1、精品文档2016 全新精品资料-全新公文范文 -全程指导写作 独家原创 1 / 32016 年中考英语原因状语从句复习指导连词有:because as since now that 等(1) 区分 because, as, since, for because 表示人们不知道的直接的原因或理由,着重点在从句,其所引导的从句,为全句句意的中心所在。通常用于回答 why 引出的疑问句,语气最强,除特别强调外,该从句一般位于主句后面,不能与 so 连用但是可以与so 进行同义句转换。I didnt go aboard with her because I couldnt afford it.我没有和
2、她一起出国是因为费用太高。 as 引导的原因状语从句所传递的通常是已知信息,从句多位于主句之前,表示双方那个已知的理由,如:As I didnt know the way,I asked a policeman.我不认识路,因而问警察。 since 引导的原因状语从句多表示大家众所周知的理由,如:Since traveling by air is much faster, they decided to take a plane.既然乘飞机旅行快得多,他们就决定坐飞机。 for 表示的理由是附加的或推断的,并非此原因,通常与主句用逗号隔开,不位于句首,如:精品文档2016 全新精品资料-全新公
3、文范文 -全程指导写作 独家原创 2 / 3He must be not at home, for the telephone isnt answered.用 because, as, since, for 填空:Well have to go to bed early _ well start off early tomorrow._ you know all about it, tell me please._ all the seats were taken, I had to stand.He must be at work, _ the light in his office is still on.Lily didnt go to school _ she was ill.=_.(4) now that 引导的原因状语从句Now that “因为;既然” ,通常可以和 since 换用。用来表示一种新的情况,再加以推论。如:Now(that) you have passed your test, you can drive on your own.你既已考试合格,就可以独自开车了。精品文档2016 全新精品资料-全新公文范文 -全程指导写作 独家原创 3 / 3