资源简介

(共18张PPT)
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、怀疑和猜测等。
The Subjunctive Mood
虚拟语气
If I had worked harder, I would have passed the test.
If you were a millionaire, what would you do
if引导的虚拟条件句
学习目标：
1、虚拟语气的构成
2、虚拟语气的倒装
真实：If it rains tomorrow, I will stay at home.
从现
主将
1. If I had come here yesterday, I would have seen him.
If you had got up earlier this morning, you could have caught the train.
2. If I were a bird, I would fly in the sky.
If we lived in the same city, we could often meet each other.
3.If the teacher asked me to solve the problem next time, I would try my best.
If he should fail in the experiment again, he might lose heart.
If we were to hurry, we should finish the work on time.
对现在的虚拟（be的过去式只用were）
对过去的虚拟
对将来的虚拟
主从句的形式
时间
从句
主句
现在
过去
将来
If+主+过去式 (were)
If+ 主+had done
主+would /could/ should/might + do
主+would/could/should /might+ have done.
过去式(were)
If+主+should do
were to do
主+would/could /should/might + do
If I________ (be) free last night, I ______________(go) to see the film with you.
had been
would have gone
If he __________ (drive) more carefully, the car accident ____________________ (not happen) yesterday.
had driven
would not have happened
If I ______(have) a lot of money now,
I _________(buy) a big house.
had
would buy
If I _____(win) the lottery (彩票) now, I ____________ (travel) around the world.
won
would travel
If there ______________(be) no water on the earth one day, human beings ______________ (die) out.
were/should be
might die
1. If they ____ (be) here now, they __________ (take) your advice.
2. If there ________ (be) no natural resource one day, we ___________ (make) use of nuclear power .
3. If Tom ________ (be) more careful in the exam, he _________________ (pass) it already.
4. If I _______ (meet) you yesterday, we ______________ (go) to the concert together.
5. What ____________ (happen) if you ____________ (get up) too late tomorrow
PRACTICE: Fill in the blanks.
were
would take
had been
would have passed
had met
would have gone
should be
would make
would happen
should get
Writing
If I had a lot of money, ______________.
If I were a superman, _______________.
If we were to live on the moon one day, _____________________.
虚拟语气的倒装
在条件句中，可省略 if，把were ,had, should 提到句首，变为倒装句式．
If +主+were/had/should+…=Were/Had/Should+主+…
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 met him.
Had you come earlier, you would have met him.
If it should rain tomorrow, we would not go climbing.
Should it rain tomorrow, we would not go climbing.
1. If you were handsome, I would marry you.
2. If he should come tomorrow, I would give it to him.
3. If he had come yesterday, you would have seen him.
Should he come tomorrow, I would give it to him.
=Were you handsome, I would marry you.
Had he come yesterday, you would have seen him.
____ he finished the work, he would not have been punished.
A. If B. Were
C. Had D. Has
Had I known more about the quality of the TV set, I _______ it.
A. won’t buy B. wouldn’t buy
C. should not buy D. would have bought
C
( 过去)
D
( 过去)
混合时间条件句
主句，从句的动作不是发生在同一时间，动词形式根据各自时间而定。
If he had listened to me, he would not be in such trouble now.
如果他当时听了我的话，现在就不会遇到麻烦了。
If I had worked harder in school, I might have a good job now.
要是我读书时更努力的话，现在也许就有份好工作了。
If I had seen the movie, I ________ you all about it now.
If tomorrow ________ the last day of my life, I __________ today with my parents.
would
( 错综)
were
would spend
If引导的虚拟语气主从句的形式
时间
从句
主句
现在
过去
将来
If+主+过去式 (were)
If+ 主+had done
主+would /could/ should/might + do
主+would/could/should /might+ have done.
过去式(were)
If+主+should do
were to do
主+would/could /should/might + do

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