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中考网为大家整理了初一英语状语从句知识点:原因状语从句，希望对大家的学习有帮助，为中考打下坚实基础。 原因状语从句 连词有：because as since now that等 (1) 区分because, as, since, for ① 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 didn't go aboard with her because I couldn't afford it. 我没有和她一起出国是因为费用太高。 ② 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 didn't know the way，I asked a policeman. 我不认识路，因而问警察。 ③ 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。 ④ 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： He must be not at home, for the telephone isn't answered. 用because, as, since, for 填空： We'll have to go to bed early ___________ we'll 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 didn't 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。 我们将不断更新初一各科备考资料以及全国重点中学资料等信息，敬请期待。更多中考资讯请关注中考频道，我们将第一时间为大家提供中考体育评分标准、中考体育考试项目、历年中考满分作文、中考作文素材、中考英语作文、中考作文范文等丰富的中考复习资料内容。 (责任编辑：admin) |