句或者含蓄条件句） ? 从句中使用should形式的虚拟语气 ? wish，as if 以及 if only从句中虚拟语气 ? 其他固定结构虚拟语气
虚拟语气在非真实条件句中的运用 —— if 条件句
had done 与过去 事
实相反 与现在 过去式（若是be用 事实相反 were） 与将来 1.过去式(be用were） 事实相反 2.were to+V.(原形) 3. should+V.(原形)
should/would/could /might+have+done should/would/could /might+V.(原形)
it had not rained yesterday, the crops would have died.
I were you, I would study hard now.
she should /were to come tomorrow, we should go shopping together.
有时候虚拟语气中并不出现if引导的条件 句而是通过其他方式来表示隐含的条件。常 见的有otherwise/without/with/but for等。
was ill yesterday. Otherwise I would have taken part in the sports meeting. ? Without your help, we couldn’t have finished the work ahead of time. ? What would you do with one million dollars? ? But for the rain, the crops would have died.
在if条件句中可省略if，把were，had，should 提到句首，变为倒转句式。 如： ? If I were at school again, I would study harder. Were I at school again, I would study harder. ? If you had come earlier, you would have caught the bus. Had you come earlier, you would have caught the bus.
it should rain tomorrow, we would not go climbing. Should it rain tomorrow, we would not go climbing. ? 注意：当省略的条件状语从句中的谓语动 词是否定形式时，不能用动词的缩略形式。 如： ? Weren’t it for the expense, I would go abroad now.（×） ? Were it not for the expense, I would go abroad now. （√）
C 1. If I were to do it, I ___it in a different way. A. shall do B. will do C. would do D. have done B 2. If you asked your father, you ___permission. A. may get B. might get C. should have got D. may have got C 3. But for the help you gave me, I _______ the examinations. A. would have passed B. would pass C. wouldn’t have passed D. wouldn’t pass
D 4.___ I you, I would go with him to the party. A. Was B. Had been C. Will be D. Were B 5.___the English exam I would have gone to the concert last Sunday. A. In spite of B. But for C. Because of D. As for 6. Without electronic computers, much of today’s C advanced technology___. A. will not have been achieved B. have not been achieved C. would have not been achieved D. had not been achieved
虚拟语气在非真实条件句中的运用 1） 过去 If条件句 现在 （固定句式） 将来 2）含蓄条件句（常见形式）