虚拟语气
虚拟语气在 在条件从句中 省略 if 的条 件从句
当从句中有 were, had 或 should 时，可省略if ， 而把它们放在句首。 • If I were to meet him tomorrow, I should ask him about it. Were I to meet him tomorrow,… • If he should fail in the experiment this time, he would try again. Should he fail in the experiment… If you had come a few minutes earlier, you would have met him. Had you come a few….
If I were a boy Even just for a day I’d roll out of bed in the morning And throw on what I wanted and go Drink beer with the guys And chase after girls I’d kick it with who I wanted And I’d never get confronted for it Because they’d stick up for me
Had I worked harder at school,…
二、蕴含条件句
有时if引导的虚拟条件从句，可用介词without 或 but. Without water, fish could not live. If there were no water, fish could not live. 2. Without /But for your help, I would have failed. If you had not helped me, I would have failed. 3. I had to do something more important, otherwise, I might have helped you. If I had not have to do something more important, I might have helped you.
c. If I _______ had met (meet) you yesterday, we would ______________ have gone (go) to the concert together.
【Find the rules（自我发现）】
3.Contrary to the future（与将来事实相反）
If he got up early,
he would be on time.
假如他来了, 我们对他说什么呢？
If he were to come, what should we say
to him. 假如他看见我, 就会认识我。 If he should see me, he would know me.
PRACTICE 1: Fill in the blanks. a. If they were ____ (be) here, they
__________ would take (take) your advice. b. If the world-war _____ burst (burst) out again, what _____________ would happen (happen)
would/could/ did/were were to do might/should do（原形） If…_______sth,… _________________sth. should do
• If I you. • If I help • If I help
had time next week, I would help
• If she should come, I would ask her for help. Should she come, …. • If I were you , I would give it up. Were I you ,… • If I had worked harder at school, I would have a better job now.
c. If Robots _____________ were to control (control)
the world some day, here would ________ be
(be) no friendship.
小结：虚拟语气在条件从句中的用法
条件 从句
If 从句谓语形式
过去式 (did/were) 过去完成式 (had done) 过去式/
should have time next week, I would you. were to have time next week, I would you.
【即学即用】
/should be /were to be 5.If it were _____________________________ (be) Christmas Day tomorrow, I _____________(get) some gifts. would get
to our people on earth?
were not (be not) in c. If the policeman ________
could be (be) very that room, it ________ dangerous. d. If I were ____ (be) in your position, I would ask (ask) for teacher’s help. _________
the Hawthorn Tree.
4.If he _________ had driven (drive) more carefully, would not have had he______________________ (not have) an accident yesterday.
learnt how to swim, If I had ________
6.If you got/were to get /should get _______________________(get) a full mark (满分)next time, would treat (treat) you to candies. I_____________
Mark:
100
主句的谓语形式
would/could/ should/might +V.
现在
(Present)
过去
(Past)
would/could/shoul d/might +have done
未来
(Future)
would/could/shou should/were to ld/might +V. (原) +V
【即学即用】 1.If it were (be) fine now, I would go(go) shopping.
lived 2.If everyone __________(live) a low-carbon life now, the earth _________(be) saved. would be
an expensive car.
If I had a lot of money， I would buy a villa.
Reading
1.If I had a lot of money now, I would travel around the world. 2.If it were fine now, I would go shopping. 3.If I won the lottery, I would buy an expensive car. 4.If I had a lot of money，I would buy a villa.
Can use the correct form of the subjunctive mood in “if” clause
If I were a bird, I would fly into the sky.
虚拟语气的定义：用来表示所说的话 不是事实，或不可能实现或实现的可 能性很小的情况.表达说话人的愿望、 建议和假设.
【Find the rules（自我发现）】
2.Contrary to the past（与过去相反）
If you had attended the meeting yesterday, you would have met her. If the doctor had come last night, the boy should have been saved.
I __________________ would not have been trapped in this island.
PRACTICE 2: Fill in the blanks.
a. If Tom ________ had been (be) more careful in the exam, he ________________ would have passed (pass) it already. b. If you _______ had got (get) up earlier, you ________________ would have caught (catch) the first train.
the Subjunctive Mood in “if” clause