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  • when 后加主語(yǔ)是跟動(dòng)詞ing還是動(dòng)詞原形

    when 后加主語(yǔ)是跟動(dòng)詞ing還是動(dòng)詞原形
    please close the door and windows when _____the office.
    A.leaving B.leave
    When the gas ___very hot inside the rocket,it wil run out of the end of the rocket ,so it can make the rocket fly up into the sky.
    A,become B.becomes C.became D.is becoming
    We never let the lights on when _____the rooms.
    A .leave B.leave
    if 后跟動(dòng)詞一般現(xiàn)在時(shí)嗎
    英語(yǔ)人氣:846 ℃時(shí)間:2019-10-19 17:30:12
    優(yōu)質(zhì)解答
    第一題應(yīng)該是A,相當(dāng)于when you are leaving,這是個(gè)祈使句,祈使句隱含的人稱(chēng)本身就是第二人稱(chēng)you,主語(yǔ)一致的情況下可以省略主語(yǔ),把動(dòng)詞改成ing或者ed的形式,ing表示主語(yǔ)和動(dòng)詞之間主動(dòng),ed表示兩者之間被動(dòng).第二題應(yīng)該...我現(xiàn)在改了please close the door and windows when you _____the office.A.leavingB.leaveWhen the gas ___very hot inside the rocket,it wil run out of the end of the rocket ,so it can make the rocket fly up into the sky. A,become B.becomes C.becameD. is becomingWe never let the lights on when _____the rooms.A .leave B.leavingif 后跟動(dòng)詞一般現(xiàn)在時(shí)改了以后的第一題是B,when后面接從句,A單獨(dú)的ing是不能表示時(shí)態(tài)的,第二題選B啊,貌似沒(méi)改過(guò),第三題選B,when后面直接接ing啊,表示主動(dòng),而且這個(gè)動(dòng)作和前面的動(dòng)作同時(shí)發(fā)生,要舉一反三啊,這三個(gè)題目和買(mǎi)改過(guò)的道理都是一樣的。
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