强调句 It was yesterday evening that(when) my father did the experiment in the lab.

题目

强调句 It was yesterday evening that(when) my father did the experiment in the lab.
其中的that和when都对吗?我看有的强调句语法里面有说明不可以用when的,只能用that.有木有高手帮解答一下到底可以用吗?

答案

这里呢,如果是用when的话就不是强调句了,因为在强调句型中,去掉了it's……that后,整个句子还是个完整的,但是,用when的话,就不能当做强调句,可以看做是一个定语从句 （可以分析yesterday evening在该定语从句中做的成...