请问一下过去完成时的基本用法是啥,谢谢。
过去完成时表示某动作/情况发生在过去某时间之前。即“过去的过去”。如:
He had worked in a car factory for three years before he came here。
他来这儿前在一家汽车厂工作了三年。
I had finished my experiment when I went out to play。
我出去玩时已做完了实验。
过去完成时表示某动作/情况发生在过去某时间之前。即“过去的过去”。如:
He had worked in a car factory for three years before he came here。
他来这儿前在一家汽车厂工作了三年。
I had finished my experiment when I went out to play。
我出去玩时已做完了实验。收起