He said the protesters were doing a disservice to the nation.
他表示，抗议者们的行为正对国家造成危害。
He should have been aware of what his junior officers were doing.
他本该意识到自己部下在做什么。
They were doing just fine.
他们做得很好。
weredoing是什么时态
回答
瑞文问答
2024-09-26
过去进行时。
were、was 是 be 动词的过去时，后加了doing 成为过去进行时。
例句：
Vendors were doing a brisk trade in souvenirs.
小贩们的纪念品生意很兴隆。
They were doing 70 miles an hour.
他们每小时达到70英里。
were、was 是 be 动词的过去时，后加了doing 成为过去进行时。
例句：
Vendors were doing a brisk trade in souvenirs.
小贩们的纪念品生意很兴隆。
They were doing 70 miles an hour.
他们每小时达到70英里。