关于should,would的用法

问题描述:

关于should,would的用法
希望大侠们解答下吧
最好详细说明下哈
If you ____see Kate,give her this book.
A should B would Cshall
He kept his head.Otherwise ,the accident____
A would happened B happened C would have happened

ACshould 作为情态动词,可以用在条件状语从句中,表示语气较强的假设,译作“万一”、“竟然”,这时也可将 should 置于从句之首,即将 should 放在主语前面,而省略从属连词if.第二题是说幸亏他护好了他的头部,否则杯具...