we know that we all (learn) our own language well when we were children.这是什么时态?答案是learn,但是后面不是说when we were children了吗?不是过去式吗?为什么?还有就是这句话如何翻译?(不要翻译器的答案.可以给几个例句吗?

问题描述:

we know that we all (learn) our own language well when we were children.这是什么时态?
答案是learn,但是后面不是说when we were children了吗?不是过去式吗?为什么?还有就是这句话如何翻译?(不要翻译器的答案.
可以给几个例句吗?