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中考英语知识点:原因状语从句


    中考英语知识点:原因状语从句
    (1)原因状语从句通常由because, since, as引导。例如:
    He didn’t come to school because he was ill.
    As it is raining, we shall not go the zoo.
    Since you can’t answer the question, I’ll ask someone else.
    (2)because表示直接原因,语气最强。Because引导的原因状语从句多放在主句之后。回答由why提出的问题,只能用because。As和since语气较弱,一般用来表示明显的原因。由as和since引导的原因状语从居多放在句首。例如:
    ------Why aren’t going there?
    ------Because I don’t want to.
    As he has no car, he can’t get there easily.
    Since we have no money, we can’t buy it.
    (3)because和so不能同用在一个句子里。
    [Practice]
    1. I keep an English diary () it helps me improve my writing skill.
    A. how                B. when
    C. because              D. if
    2.()his leg was hurt,() he walked slowly.
    A. Because; so          B. Because; /
    C. Although; but        D. Although; /
    3..I collect toys because they are beautiful. (对画线部分提问)
    ()you collect toys?
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