2017中考英語語法復(fù)習(xí):狀語從句

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2017中考英語語法復(fù)習(xí):狀語從句
    1、時(shí)間狀語從句:在一個(gè)句子中作時(shí)間狀語的句子。
    時(shí)間狀語的連接詞:when(當(dāng)…時(shí)候) while(當(dāng)…時(shí)候) as(當(dāng)…時(shí)候) after(在…以后) before(在…以前) as soon as(一…就) since(自從…到現(xiàn)在) till /until(直到…
    才) by the time(到…為止)依舊是連接詞后加陳述語序。
    舉例:when當(dāng)…的時(shí)候(一般情況下主句是將來時(shí)的時(shí)候,從句要用一般現(xiàn)在時(shí)。)
    Mozart started writing music when he was four years old.
    2、 原因狀語從句:在一個(gè)句子中作原因語的句子。
    連接詞:由連詞because, since, as引導(dǎo), 也可由for, now that 等詞引導(dǎo)。
    舉例:I didn’t go to school yesterday because I was ill.
    3、 條件狀語從句
    連接詞:if如果, unless (=if not) 除非。(讓步)
    舉例:If it doesn’t rain tomorrow, we will go hiking.
    4、 目的、結(jié)果狀語從句
    目的狀語從句是指在一個(gè)句子中充當(dāng)目的狀語的句子。
    結(jié)果狀語從句是指在一個(gè)句子中充當(dāng)結(jié)果狀語的句子
    目的狀語從句連接詞so that, so…that , in order that 引導(dǎo)。
    結(jié)果狀語從句連接詞 so…that, such…that, so much/many…that引導(dǎo)。
    舉例:so…that 如此…以至于
    The scientist’s report was so instructive that we were all very excited.
    5、 讓步狀語從句
    讓步狀語從句是指在句子中作讓步的狀語的句子
    連接詞: though, although.,whether…or not
    舉例:Although he is rich, yet he is not happy.