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          to have done用法

          2023-03-15
          更三高考院校庫

          to have done是不定式的完成結(jié)構(gòu)。to have done有三種用法:表示發(fā)生在謂語動(dòng)作之前的動(dòng)作;表示在某個(gè)給定的時(shí)間之前已完成的動(dòng)作;表示過去未曾實(shí)現(xiàn)的想法和愿望。

          to have done用法

          to have done 與having done 有什么區(qū)別

          to have done一般指尚未完成的完成時(shí),屬于完成時(shí)語態(tài)。例如:By the end of next term(尚

          未來到) ,we are going to have learnt nine thousand words.

          having done 強(qiáng)調(diào)時(shí)間上的先后順序,一般作狀語。例如:Having finished his work,Bob went back home hily.

          to have done的雙語例句

          I don't think you ought to have done that.

          我想你不應(yīng)該這樣做的。

          They ought to have done so sooner; it would have saved them numerous misfortunes.

          他們?cè)缇驮撨@樣做,那樣,許多不幸的事都不會(huì)發(fā)生了。

          You ought to have done these exercises because you were required to so during your holidays.

          這些練習(xí)你本應(yīng)該做完的,因?yàn)榧倨诶锞鸵竽阕隽恕?/p>

          Is there anything you regret not having done or would like to have done differently at college.

          你有沒有什么你后悔大學(xué)時(shí)沒有做的,或是想作的跟原來不一樣的事。

          When I started in this business,I was just a babe in the woods.I was lucky to have done so well.

          當(dāng)我開始干這買賣的時(shí)候,我是一竅不通.我能搞得這么好,全憑運(yùn)氣。

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