魔兽世界 塔克:这个句子为什么前面用过去时,后面用进行时she watched TV while she was washing her clothes. Thanks!

来源:百度文库 编辑:高考问答 时间:2024/05/11 05:31:44
Mary watched TV while she ate her supper.
While John was sitting biting his nails, I was working out a plan to get us home.那为什么我有见过这样的两个句子,前后时态又和she watched TV while she was washing her clothes.不一样呢,谢谢!

后边是while引导的时间状语从句 所以用进行时
前边的表示一般发生 所以用一般过去时

while引导的时间状语从句

while引导的时间状语从句,用进行时