Grammar and usage(1): Unreal conditions优质课教案推荐

虚拟语气

Lead-in: 1.Some pictures about the TITANIC 2.Unreal conditionals state a condition or situation that is not real or is imaginary.

We can use unreal conditionals to refer to an unreal present condition an imaginary past action an imaginary future situation. Step1: If I worked hard, I might have money.

If I had a lot of money, I could buy a ticket. If I bought a ticket, I would be on board.

If I were on board, I should sail for America.

与现在的事实相反

Practice: 1.If I ________(have) the chance, I __________ (have) a coned baby. 2. If I ______(be) the President of Italy, I ___________ (think) about taking away his licence. 3. If it __________(not be) for the weather , I ___________ (go) for a walk with you. 4. If you _____(live) near where a wedding reception was being held, you ____________

( not get) much sleep. Make as many sentences as you can If I had much money , ________________.

If I were a teacher, ___________________. If there were no eclectricity, ____________.

If I were free now, if条件句中的谓与动词

1. 行为动词用did 形式

2. be动词用were 主句的谓与动词

should / would /could

might + 动词原形

___________________. Step2: Jack : Rose, if I hadn’t won the ticket,

I wouldn’t have been on board.

If I hadn’t been on board,

I wouldn’t have met you. If we hadn’t been on board, we wouldn’t have met this disaster.

If the ship hadn’t struck an iceberg, it wouldn’t have sunk.

If there had been enough life boats, we would have got on the boat.

与过去的事实相反

Practice: Correct the mistakes: 1.If I were not busy last night, I would have gone to see the film with you. 2. If he drove

more carefully, he wouldn’t have had

the car accident yesterday. 3.If

Tom had been more careful in the exam,

he would pass it already. 4.If you got up earlier, you might have caught the first train.

5.If I meet you yesterday, we

could go to the concert together. Rewrite the sentences using unreal conditionals Titanic was sailing on her voyage for America.

if条件句中的谓与动词

Had done 主句的谓与动词

should / would /could

might + have done

1.Jack won his third-class ticket in a poker game and met a beautiful girl called Rose on board . They fell in love at the first sight.

2.Unfortunately, the ship struck an iceberg and it sank.

3. Jack found a piece of wood and let Rose lie on it while he was in the cold water.

4.Because the water was freezing, Jack died.

5. At last, the rescue workers came and Rose was saved.

Step3: Before Jack died ,he said:

Rose, if we were alive，I would marry you some day.

If we married, we would live a happy life in the future. If we were alive，I would marry you some day.

If we married, we would live a happy life in the future.

if条件句中的谓与动词

Did/were 与将来的事实相反

Should do

Were to do Practice: 1.If he _________________ （get）up early tomorrow, he _______(be) on time. 2. If you____________________（get）a full mark next time, I ___________(treat) you to a wonderful performance.

3. If I ______________________________ (live) in the twenty-second century, I ______________ (spend) my vacation in a very different way.

4. If you __________________________________ (travel) to the moon one day,

you________________ (find) it quite different from the earth.

Step4: if虚拟条件句中的到装

如果虚拟语气的条件从句中含有were, had, should可将if省略，把were, had, should放在主语前面。

Inversion We can also put should ,were, and had at the beginning of an unreal conditional sentence. In this case , if is not needed any more. Practice: If I were you, I would try it again.

___________, I would try it again If he had been there yesterday, he would have seen the film. _________________________, he would have seen the film. If it should snow tomorrow, we wouldn’t go out.

______________________, we wouldn’t go out.

主句的谓与动词

should / would /could

might + do

Step5: 混合时间的虚拟语气

如果条件句中的动作和主句的动作不是同时发生，主句和从句的谓语动词的形式应分别根据各自所表示的时间加以调整。

If you had gone to bed earlier yesterday, you would be energetic now. If I were rich, I would have lent money to you last week. If I

were you, I would spend

my holiday in France this summer. Step6: 含蓄虚拟条件句

含蓄虚拟条件句是指句中没有明显的虚拟条件句，而是利用其他手段来暗示存在虚拟条件，这类隐含式虚拟条件句往往可以转化成if引导的条件句。

含蓄条件句总结：

（1）假如有……

With …/ Given …

假如没有……

Without…/ But for…

（2）__事实____，otherwise/or/or else_虚拟____

___虚拟___，but____事实____ Practice…….

Step6:

Writing Li Ping didn’t do well in the Mid-term examination, so he feels sorry now. Suppose you were Li Ping, please write a letter to your parents, expressing the reasons, your regret and determination. You should use at least 3 sentences with unreal conditionals as well as some emotional words. Dear Mum and Dad,

I’m sorry to tell you that I didn’t do well in the Mid-term exam.______________________________________