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  • be supposed to do sth 與 be supposed to have done sth的區(qū)別

    be supposed to do sth 與 be supposed to have done sth的區(qū)別
    請(qǐng)講清楚,并附上例句.
    英語(yǔ)人氣:180 ℃時(shí)間:2020-03-29 09:33:12
    優(yōu)質(zhì)解答
    1.be supposed to do= should do 應(yīng)該做某事:
    you are supposed to go to school on time=you should go to school on time.
    你應(yīng)該按時(shí)上學(xué).
    2.be supposed to have done sth= should have done.應(yīng)該做成了某事(實(shí)際上沒做成):
    You are supposed to have done your homework= you should have done your homework.
    你本應(yīng)該能完成作業(yè)的.
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