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If I ________ (learn ) how to swim, had learnt
would not have been I __________________ (be) trapped in this island.（与过去事实相反）
the Farmer and the Snake农夫与蛇
如果上天能够给我一个再来一次的机会， 我会对那个女孩子说三个字：我爱你。 如果非要在这份爱上加上一个期限，我希望是--一万年!
If the God should give/were to give/gave ________________________(give) me another chance，I_________ (tell) the girl three would tell words, “ I love you.” If I ______(have to) set a time had to limit to our love, It_________ (be)10,000 years! would be
were a boy (girl)?
If I were a boy , I would …
1. 如果他早起，他就不会上班迟到。 If he had got up early, he would not have been late for work.（与过去事实相反）
2. 如果她没有吃那么多的糖，她就不会被拔牙。
summary of the rules
对过去的虚拟
had driven If he __________ （drive) more carefully, would not have had he _________________ (not have) the car accident yesterday.（与过去事实相反）
Observe (观察) If I were Harry Potter, I would possess magic. If I had a lot of money, I would go shopping.
summary of the rules
对现在的虚拟
What would you do if you
一、虚拟语气定义 1.英语动词有三种语气，陈述语气，祈 使语气和虚拟语气。 2. 定义：用来表示说的话不是事实， 或者是不可能发生或可能性比较小的 情况，而是一种愿望，建议，假设的 语气叫虚拟语气。
Compare and find the difference.
If I am free, I will visit you.
did /were
had done 1.did/ were 2. should+ do 3. were to do
过去
未来
注意事项
1. If 虚拟条件句的省略
2. If 虚拟条件句的一个特殊句型
3. 错综虚拟语气
1. If 虚拟条件句的省略 在含有were/ should/ had的if 虚拟条件句中， 省略if，并将were/ should/ had移到主语前。 If I were you, I would help him. Were I you, … If you had come earlier, you would have met him Had you come earlier, … If it should rain, the sports meet will be put off. Should it rain,… If it were to rain, the sports meet will be put off.
QUESTION:
Why do we use “…if I were a butterfly, I’d thank lord for giving me wings.”?
Why don’t we say:“ if I am a butterfly, I will thank lord for giving me wings.”?
1.If you had attended the meeting yesterday, you would knowwhat we are doing now. (attend, know)
2.If youhad followed my advice then, you ___________in trouble now.(follow,be) would not be
Long time ago, a farmer saved a snake. But later, the farmer was bitten by the snake and died.
与过去事实相反的虚拟语气：
What would have happened if the farmer hadn’t seen the snake? If the famer hadn’t seen ___________(not see) the snake, he _________________ (not put) it under his wouldn’t have put coat; if he hadn’t put (not put)it under his __________ coat ,the snakewouldn’t have bitten (not ___________________ hadn’t bitten bite)him;if the snake____________ (not wouldn’t have died. bite)him,he __________________(not die).
要不是你的建议，我就不可能通过考试了（与过去事实相反
If it had not been for your advice, I couldn’t have passed the exam.
3. 混合虚拟条件句
(1) .不同时间的虚拟，遵守相应的规则
If you had followed the teacher’s advice, you wouldn’t be in the hospital now.
1. 如果我是哈利波特，我就会拥有魔法。
If I were Harry Potter, I would possess magic.
2. 如果我现在口袋里有6000元，我就去 买Iphone5s
If I had 6000 yuan in my pocket now, I would buy an Iphone5s.
The Subjunctive Mood
虚拟语气用来表示说话人 所说的话不是一个事实， 而只是一种愿望、假设、 怀疑、猜测、空想等。
Summary
虚拟语气
1. If 从句虚拟用法小结
条件 If 从句的谓语形 从句 式 现在
主句的谓语形式 would/could/should/ might +do would/could/should/ might +have done would/could/should /might +do
Why don’t we say:“ if I am a butterfly, I will thank lord for giving me wings.”?
Impossible！
1.虚拟语气在非真实‘if ’ 条件句中的用法 （unreal conditional clause) 2.虚拟语气用于宾语从句
America.
Observe (观察) If it were fine tomorrow, I might go shopping. If he got up early tomorrow morning , he would be here on time. If she should see me, she would recognize me.
a factual situation
Indicative mood
If I were a bird, I would fly into the sky. a wish
subjective mood
a. If引导的真实条件句 表示条件是真的或有 可能实现的, 采用陈述语气。 b. If引导的虚拟条件句 表示条件是无法实现 或几乎无法实现的, 采用虚拟语气。
if I were a butterfly
___ _____ I’d _____ If I were a butterfly , ____thank you lord for giving me wings， If ___ _____ a robin in tree, ____ _____ you lord I were I’d thank that I could sing， If I were a fish in the sea, _____ _____ my tail ___ _____ I’d wiggle _____ _____ and I’d giggle with glee， But I just thank you father for making me,me, For you gave me a heart and you gave me a smile， You gave me Jesus and you made me your child， But I just thank you father for making me ,me
If I were to go abroad ,I would go to America.
对将来的虚拟
Work with your partners about what would you do if you should be admitted to your famous university in the future. If I should be admitted to my favorite university, I would_________.
