初中英語語法狀語從句

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1.時(shí)間狀語從句
    引導(dǎo)連詞有when,while,till,not…until,since,after ,before ,as soon as
    The bus won’t start until everybody gets on.
    公共汽車直到每人都上車為止,才開動(dòng)。
    When he knocked at the door I was cooking.
    當(dāng)他敲門時(shí),我正在煮飯。
    Last night before he came back home, his wife had already cooked dinner and waited for 2 hours.
    昨天晚上在他回到家之前,他的妻子已經(jīng)做好晚飯足足等了他兩小時(shí)之久。
    After I went to church, I went shopping.
    2. 地點(diǎn)狀語從句
    地點(diǎn)狀語從句通常由where, wherever 引導(dǎo)。
    Where there is a will, there is a way. 哪里有志向,哪里就有出路。有志者事竟成。
    Where there is a life, there is a hope. 哪里有生命,哪里就有希望。 留得青山在,不怕沒柴燒。
    Wherever you go, whatever you do, I will be right here waiting for you.
    不管你去哪里,不管你做什么,我都會(huì)在此守侯你。
    3.原因狀語從句
    引導(dǎo)連詞有because,as, since。
    He didn′t see the film because he had seen it.
    他沒有看那部電影,因?yàn)樗呀?jīng)看過了。
    They couldn’t get on the train,for it was too crowed.
    比較:because, since, as和for
    1) because語勢,用來說明人所不知的原因,回答why提出的問題。當(dāng)原因是顯而易見的或已為人們所知,就用as或 since。
    I didn't go, because I was afraid.
    Since /As the weather is so bad, we have to delay our journey.
    2) 由because引導(dǎo)的從句如果放在句末,且前面有逗 號,則可以用for來代替。但如果不是說明直接原因,而是多種情況加以推斷,就只能用for。
    He is absent today, because / for he is ill.
    He must be ill, for he is absent today.
    注意
    because不能和so 連用。