時(shí)態(tài)用法完美收官

表示從過(guò)去的過(guò)去開始，持續(xù)到過(guò)去的動(dòng)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(huì)繼續(xù)延續(xù)下去。此時(shí)經(jīng)常用延續(xù)性動(dòng)詞。

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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(gè)舊鐘表拆卸并重新組裝了好幾回了。

強(qiáng)調(diào)在過(guò)去將來(lái)的某個(gè)具體時(shí)間正在發(fā)生的動(dòng)作或存在的狀態(tài)。?

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例：The government promised that a new highway would be being built next July.

政府承諾說(shuō)第二年7月將有一條新的高速公路正在修建。

表示到過(guò)去將來(lái)某一時(shí)間已經(jīng)完成的動(dòng)作，并且對(duì)過(guò)去將來(lái)那一時(shí)間點(diǎn)產(chǎn)生影響。（過(guò)去時(shí)間點(diǎn)上發(fā)生的將來(lái)完成時(shí)）

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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(jiān)信到那年年底為止，那個(gè)軟件的新版本將被開發(fā)出來(lái)。但是我錯(cuò)了。

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表示動(dòng)作從過(guò)去某一時(shí)間開始一直延續(xù)到過(guò)去將來(lái)某一時(shí)間，并且有可能繼續(xù)延續(xù)下去。

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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。

表示動(dòng)作從過(guò)去某一時(shí)間開始一直延續(xù)到過(guò)去將來(lái)某一時(shí)間，期間一直有規(guī)律在進(jìn)行、不曾間斷，并且有可能繼續(xù)延續(xù)下去。

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例：They said that by the end of the following month, the project would have been being worked for 3 years.

他們說(shuō)到第二個(gè)月底為止，這項(xiàng)工程就已經(jīng)不停地進(jìn)行了3年了。