時態(tài)用法完美收官

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。

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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)把這個舊鐘表拆卸并重新組裝了好幾回了。

強(qiáng)調(diào)在過去將來的某個具體時間正在發(fā)生的動作或存在的狀態(tài)。?

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

政府承諾說第二年7月將有一條新的高速公路正在修建。

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(diǎn)產(chǎn)生影響。（過去時間點(diǎn)上發(fā)生的將來完成時）

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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，那個軟件的新版本將被開發(fā)出來。但是我錯了。

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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。

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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。

表示動作從過去某一時間開始一直延續(xù)到過去將來某一時間，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.

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