虚拟语气
问题描述：
虚拟语气
1.He is talking so much about America as if he ( )there
Ahad been B has been C was D has gone
2.What should we do if it ( )tomorrow?
A should snowB would snow C snow D will snow
3.You ( )such a serious mistake if you had followed his advice.
A shouldn't have made B might not have made
4.If it were not for the fact that you ( ) ill ,I would ask you to do this right now.
Awere B are
5.even if ,even though 引导的让步状语从句 怎么弄?
答
第一题是as if 引导的与过去事实相反的情况,所以要用过去完成时,如果是与现在或将来事实相反则用一般过去时第二题：由if引导的与将来事实相反的,用should+v原,且SHOULD比would多了猜测的语气第三题：由if引导的与过...3.为什么A不行A表示本不应该做某事，B表示本来可以不做某事