你所说的情况是指当某个动作正在发生时,另一个动作发生了.所以一个一般时，一个进行时
例如He came home while she was cooking.
Her parents died while she was still at school.
她还在读书时父母就去世了。
He\'ll do the job if you make it worth his while.
你要是给他的报酬丰厚，他会做这份工作的。
Give me your hand while we cross the road.
过马路时拉着我的手。
