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was been doing是什么時(shí)態(tài)

回答
瑞文問答

2021-09-23

過去進(jìn)行時(shí)或過去將來時(shí)。將來時(shí)，除了用will還可用be+doing。時(shí)態(tài)根據(jù)句意判斷，例如：have been doing是現(xiàn)在完成進(jìn)行時(shí)，表示從過去一直持續(xù)到現(xiàn)在，并且現(xiàn)在并未停止，還將持續(xù)到將來。have done現(xiàn)在完成時(shí)，到現(xiàn)在為止已經(jīng)完成。

擴(kuò)展資料

　　例句：

　　1、I was wondering if you were doing anything this weekend.

　　我想知道這個(gè)周末你是否要做什么。

　　2、While they were doing their homework, I was doing the laundry.

　　他們?cè)谧黾彝プ鳂I(yè)的.時(shí)候，我正在洗衣服。

　　3、It was the locals who felt like what they were doing was dangerous.

　　當(dāng)?shù)厝擞X得，他們這么做是很危險(xiǎn)的。

　　4、He was doing this for himself, not for his father.

　　他這么做是為了自己，不是為父親。

　　5、He knew exactly what he was doing.

　　他清楚地知道自己在做什么。