一、虚拟语气在非真实条件句中的用法

虚拟情况 从句谓语动词 主句谓语动词 与现在事实相反 一般过去时(be用were) would/should/could/might＋动词原形 与过去事实相反 过去完成时 would/should/could/might＋have＋过去分词 与将来事实相反 一般过去时(be用were)

should＋动词原形

were to＋动词原形 would/should/could/might＋动词原形 　　If my brother were here, everything would be all right.

　　要是我哥哥在这儿，一切就都没问题了。(与现在事实相反)

　　If I had enough money, I would take the beautiful dress for my daughter.

　　如果我的钱够的话，我就会为女儿买下这件漂亮的礼服。(与现在事实相反)

　　If you had got up earlier, you would have caught the train.

　　如果你早点起床， 你就会赶上火车了。(与过去事实相反)

　　If it should rain/were to rain/ rained tomorrow, we would have to put off the sports meeting.

　　如果明天下雨的话，我们就得推迟运动会。(与将来事实相反)

　　[即时训练1]　用括号内动词的适当形式填空

　　①If I had enough money now, I would buy(buy) a car.

　　②If we had driven(drive) in turn, you wouldn't have got so tired.

　　③If it were to snow tomorrow, we would take(take) photos.

　　二、虚拟条件句的三种特殊形式

　　1．省略if的虚拟语气

　　虚拟条件句中若含有were, had或should，可以把if省略，把were, had或should提到句首，构成部分倒装。

　　Were it Sunday tomorrow, we should go to the Great Wall.

　　要是明天是星期日， 我们就能去长城了。

　　Had I taken my father's suggestion, I would have done it better.

如果我听从了父亲的建议，我会做得更好。