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had sb done是什么時態(tài)

回答
瑞文問答

2024-08-12

had had done表示的意思是在過去的某一時間之前某事已經(jīng)被做。此為過去完成時,在這里第一個had是指時態(tài):had done過去完成時;第二個had是使役動詞:had sth done,讓某事被做。例如:My sister had had the computer repaired.我的姐姐已經(jīng)把這個電腦修好了。

擴(kuò)展資料

  過去完成時(had done)

  ①表示在過去的某個時間或動作以前已經(jīng)完成的動作或已經(jīng)存在的狀態(tài)。就是我們常說的"過去的過去"。

  Until then, his family hadn't heard from him for six months.

  到那時為止,他家里已經(jīng)有六個月沒得到他的消息了。

  ②表示從過去的過去開始,持續(xù)到過去的動作或情況,并且有可能會繼續(xù)延續(xù)下去。此時經(jīng)常用延續(xù)性動詞。

  By the time I left the school, he had taught the class for 3 years.

  到我畢業(yè)時,他已經(jīng)教那個班三年了.

  過去完成進(jìn)行時:had been doing

  表示從過去的過去開始,持續(xù)到過去的動作或情況,期間一直有規(guī)律的在進(jìn)行、不曾間斷,并且有可能會繼續(xù)延續(xù)下去。此時經(jīng)常用延續(xù)性動詞。

  例:The old clock had been being taken apart of and fixed up again for several times by my 10-year old son before I came back home.

  我回到家之前,我10歲大的兒子已經(jīng)把這個舊鐘表拆卸并重新組裝了好幾回了。

  過去將來完成時:(would have done)

  表示到過去將來某一時間已經(jīng)完成的動作,并且對過去將來那一時間點產(chǎn)生影響。

  例:I believed by the end of that year an advanced version of that software would have been developed, but I was wrong.

  我堅信到那年年底為止,那個軟件的新版本將被開發(fā)出來。但是我錯了。

  表示動作從過去某一時間開始一直延續(xù)到過去將來某一時間,并且有可能繼續(xù)延續(xù)下去。

  例:He told me that by the end of the year he would have lived there for thirty years.

  他告訴我,到那年年底為止他將已經(jīng)在那里住了三十年了。

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