虚拟语气 if You could have done other career What would it have been 为什么不是 if ..Had done 句

题目

虚拟语气 if You could have done other career What would it have been 为什么不是 if ..Had done 句

答案

情态动词和实义动词、助动词一样,也有虚拟语气,它可以表示与现在或过去事实相反的非真实条件句,可以用于if条件从句,也可以用于主句.当表示与现在事实相反时,只把情态动词变成过去式（即时态往前退一格）即可,表示与...