英语备考中，语法是最重点的内容，今天给大家总结一些能“速成”的专升本英语核心语法内容，下面库课李老师给考生整理了安徽专升本英语虚拟语气知识点，希望对考生有帮助。
安徽专升本英语虚拟语气知识点
1.wish的宾语从句
(1)现在：过去
(2)过去：过去的过去
(3)将来：would/should/might+V原
2.would rather than
(1)现在：过去
(2)过去：过去的过去
(3)将来：过去
3.as if/though+从句
(1)现在：过去
(2)过去：过去的过去
4.It's(about/high)time+that+从句使用过去式
5.表示要求、命命、建议的虚拟语气，使用should+动原或者将should省略
6.这类动词的名词形式如：advice，requirement，orde，advice，sug-gestionproposa，demand，request等等也要用should+动原，注意主语是人还是物，是物要用被动语态
7.It's necessary/strange/natura/insrtant/pity/
decided/deciding/lmpossible+that从句，从句中的动词要用虚拟，should+动原。
8.(a、b、c、d均可)，we couldn'have finished the work ahead of time.
a. If it had not been for your help
b. Had it not been for your help
c. But for your help d.Without your help
