与过去事实相反 [学以致用] ①If I ______( win) the lottery now, I _____________(travel) around the world.

②If he ______________（drive）carefully, he ______________ (not have) the car accident yesterday.

③If he ______________（have） time tomorrow, I ______________（treat）him to dinner.

注意1：错综时间虚拟语气 :当从句和主句的动词所发生的时间不一致时，动词的形式要根据它所表示的时间作出相应的调整。

[学以致用] If you ____________(follow)my advice just now, you _________(be)better now.

注意2：如果条件状语中有were,had或 should时, 可以省略if，将这三个词置于句首，采用____________.

[学以致用] 将句子改成倒装：

①If it should snow tomorrow, we wouldn't go out.

②If he had been there yesterday, he would have seen the film.

③If I were you, I would give her a hand.

　　●含蓄条件句

[了解感知] I don't know the news ,or I would tell you.

　　　　　　But for your advice,I would have failed.

1. 有时为了表达的需要，在虚拟语气中，并不总是出现if引导的条件句，而是用一些词和短语（如or, or else ,_________，_________，_________等）或上下文暗示来说明，这种句子叫含蓄条件句。

　　与现在/将来事实相反 　　 　　与过去事实相反 　　 2.

[学以致用]①They were abroad at that time, or they _________________ (come) to our help.

②Without your help, we _________________ (not succeed).

●虚拟语气用于宾语从句