反意疑问句有什么规律吗?It must have been rainy,yesterday反意用wasn't it?而It must have been rainy反意为什么就用hasn't it?

问题描述:

反意疑问句有什么规律吗?
It must have been rainy,yesterday反意用wasn't it?而It must have been rainy反意为什么就用hasn't it?

第一句有yesterday,时间状语是典型的一般过去时做此类题一定要还原!还原后就是It was rainy yesterday.故要用wasn't it.第二句没有明确时间状语,故默认为现在完成时还原后为It has been rainy故要用hasn't it.一句话...