Question

英语中虚拟语气的用法

Answer 1

　虚拟语气的用法
　　1) 虚拟语气用在简单句中,表示祝愿,命令.
　　May you be happy.
　　May you have a good time.祝愿你玩的痛快.
　　May the friendship between us last long.祝愿我们的友情天长地久.
　　Have a good journey!祝愿你旅途愉快!You go out!你出去!
　　2) 虚拟语气用在宾语从句中.动词 wish,suggest,order,insist,propose,等词后面的宾语从句表示的是一种虚拟语气,宾语从句中的动词动作表示的只是一种愿望、要求.
　　I wish she would be on my side.我希望她能站在我一边.
　　I wish I could help him.我希望我能帮助他.
　　He insisted that all of us should be there on time by any means.他坚持要我们大家想尽办法按时去那儿.
　　动词 demand,suggest,order,insist,propose 后面的从句中,"should" 可以省略.
　　The teacher suggested that we (should) clean the blackboard after class.老师建议我们课后把黑板擦了.
　　He ordered that the students wash the clothes every week by themselves.他要求学生每周都要自己洗衣服.
　　3) 虚拟语气用在主语从句中.
　　在句型 "It is important (necessary,strange,natural) that ." 中,that 后面的从句中的谓语动词用：should + 动词原形.
Its necessary that we should have a walk now.我们有必要出去散散步.
　　Its natural that she should do so.她这样做是很自然的.
　　Its important that we should take good care of the patient.重要的是我们要照顾好病人.

Answer 2

If he had taken my advice,he would not have made such a mistake