I`LL meet Jimat the airport when he returns.这句话里的从句为什么要用一般现在时?从句我不太明白它们的时态When I got to France,he had gone to China.这一句里的时态又是怎么回事?

问题描述:

I`LL meet Jimat the airport when he returns.
这句话里的从句为什么要用一般现在时?从句我不太明白它们的时态
When I got to France,he had gone to China.
这一句里的时态又是怎么回事?

when引导的从句,主句用将来时,从句用一般现在时