无论非谓语动词以什么形式出现,只要它发生在谓语动词动作之前,一定用have done或have been?

标准形式having done to have donehad done
2025-04-17 09:47:16
推荐回答(2个)
回答1:

having finished the work,we want to go to restaurant.

回答2:

用having done