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  • Since引導(dǎo)的從句一般要用什么時態(tài).?

    Since引導(dǎo)的從句一般要用什么時態(tài).?
    要全還有例句喔..
    謝了..
    英語人氣:356 ℃時間:2019-08-18 20:05:37
    優(yōu)質(zhì)解答
    一般過去時.
    1) since +過去一個時間點(diǎn) (如具體的年、月、日期、鐘點(diǎn)、1980, last month, half past six).
    I have been here since 1989.

    2) since +一段時間+ ago
    I have been here since five months ago.
    3) since +從句
    Great changes have taken place since you left.
    Considerable time has elapsed since we have been here.
    4) It is +一段時間+ since從句
    It is two years since I became a postgraduate student.
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