语法
一、虚拟语气
Ⅰ.suggest；require； order； recommand； insist
sb.suggest that …（should）do
His suggestion is that…
What do you think of his suggestion that
注：suggest,insist表明、暗示
He insisted that he hadn’t made a mistake.
Ⅱ.wish
1)对现在的虚拟，用一般现在时
How I wish I were you !
2)对过去虚拟，用过去完成时
How I wish I had followed your advice.
3)对将来虚拟 could+v.原形
How I wish /If only I could fly in the sky
Ⅲ.It is (high)time that…should (should 不可省) It is necessary that…
I would rather that…
Ⅳ.隐含虚拟
But ;but for ;without ;otherwise without后一般+n.
Eg:I could have come to school on time,(but I got up late).=I got up late otherwise.
Ⅴ.虚拟条件句
If it didn’t rain tomorrow
If it shouldn’t(只能用should) rain tomorrow.
If it weren’t to rain tomorrow
Were it not to rain tomorrow…/Should it not to…
Were I you,…
从句都往过去推一个时态
Ⅵ.时间错纵
If she hadn’t stayed up all night studying,She would feel energetic now .
部分倒装
1.never，by no means,in no case,at no time
eg:①By no means will I say sorry to her.
②Never have I seen him.
2.not only…but also
3.only
1)only +adv.
eg:Only then did I realize I made a mistake.
2)Only+prep.phrase
eg:Only in this way can we solve the problem.
3)adverbid choose.
eg：Only if I am free ,can I…？
注：If only I had followed your advice yesterday.
4)seldom
5)①so/as +be/aux/modal verb+主语
Eg:He is a student,so am I.他是一个学生，我也是。

②so +be/aux/modal verb.
Eg：-She is very excellent.
-So she is.她的确是这样
③neither/nor+
Eg：I don’t know her ,nor do I care.
6)He is so clever that all of us admire him.
So clever is he that…
So +adj./adv.置于句首
7）①Although he is a child,he knows a lot .
Child as he is,he knows a lot.(表语提前)
②Athough I like her very much,I always scold her.
Much as I like her,I always scold her.(副词提前)
③Athough you might try,you will fail again.
Try as you might,you will fail again.（动词原形提前）。