中考網(wǎng)整理了關(guān)于2021年中考英語復(fù)習(xí)之過去完成進(jìn)行時句型結(jié)構(gòu)，希望對同學(xué)們有所幫助，僅供參考。

　　過去完成進(jìn)行

　　過去完成進(jìn)行時用來描述一項(xiàng)活動在其他事情發(fā)生之前已經(jīng)進(jìn)行了多長時間。

　　這種時態(tài)常與下列時間短語連用:

　　... for X hours, days, months, 等等

　　... since Monday, Tuesday, 等等

　　基本結(jié)構(gòu)

　　肯定的

　　Subject + had + been + verb + ing + object(s) + time Expression

　　主語+ had + been +動詞+ ing +賓語(s) +時間表達(dá)

　　She had been waiting for two hours when he finally arrived.

　　否定的

　　Subject + had not (hadn't) + been + verb + ing + object(s) + time Expression

　　主語+ had not (hadn't) + been +動詞+ ing +賓語(s) + time

　　They hadn't been working long when the boss asked them to change their focus.

　　問答

　　(Question Word) + had + subject + been + verb + ing + object(s) + time Expression

　　(疑問詞)+ had +主語+ been +動詞+ ing +賓語(s) +時間表達(dá)

　　How long had Tom been working on that project when they decided to give it to Pete?

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