when引导的句子前后可以都是过去式吗?
问题描述:
when引导的句子前后可以都是过去式吗?
我们老师好像说前后不能都是过去进行时,前后失态要不一样.
答
可以.举个例子:When the teacher came in to the classroom,she found all the students were asleep.