Learning about Language多媒体教学设计及其点评

if引导的虚拟语气复习教学设计

教学目标：掌握if引导的虚拟语气的结构和运用

教学重点：虚拟语气的意义和主从句结构

教学难点：混合时间的虚拟语气

教学步骤：

一、

虚拟语气的概念

学生看例句，说出虚拟语气的概念。

二、if引导的虚拟条件句。

1. 学生看例句，理解意思，总结if引导的虚拟语气的结构，完成下面表格。

虚拟语气的构成。

时间

过去

现在

将来

If 从句

if+主+had done

if+主+did/were

if+主+were to do

would do

did/were 主句

主+would/could/should/might have done 主+would/could/should/might do 主+would/could/should/might do 2. 学生看屏幕，口头练习。

1. If I________ (be) free last night, I ______________(go) to see the film with you.(had been, would have gone) 2. If he __________ (drive) more carefully, the car accident ____________________ (not happen) yesterday. (had driven, would have not happened) 3. If I ______(have) a lot of money now, I

_________(buy) a big house. (had, would buy) 4. If I _____(win) the lottery (彩票) now, I ____________ (travel) around the world. (won, would travel) 5. If there ______________(be) no water on the earth one day, human beings ______________

(die) out. (should be, would die)

3. 书面练习。

练习：用所给单词的正确形式填空。

1. If they _________ (be) here now, they __________ (take) your advice. (were, would take) 2. If there ___________ (be) no natural resource one day, we ___________ (make) use of nuclear power. (were/should be, would make) 3. If Tom __________ (be) more careful in the exam, he _________________ (pass) it already.(had been, would pass) 4. If I _______ (meet) you yesterday, we ______________ (go) to the concert together. (had met, would have gone) 5. What ____________ (happen) if you ____________ (get up) too late tomorrow? (would happen, should get up)

4. 写作训练，学生完成句子并展示。

If I had a lot of money, ______________. If I were a superman, _______________. If we were to live on the moon one day, _____________________.

二. 虚拟语气的倒装。

结构：If +主+were/had/should+…=__________________________(Were/Had/Should+主+do)

练习：把下列句子改为倒装句。

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.

三

混合时间条件句

看例句：总结规律

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。

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。

练习：

1. If I had seen the movie, I ______（tell）

you all about it now. (would tell)

2. If tomorrow ________(be) the last day of my life, I ______(spend) today with my parents. (were, would spend)

四

小结

回顾If引导的虚拟语气的主从句结构

五

课后练习：

1.

_______ he had not hurt his leg, John would have won the race. (If)

2. If I ______ rich, I would buy the car.(were)

3. Had Tom studied harder, he ______ the exam. (would have got through)

4. If the weather had been better, we could have had a picnic. But it ______ all day. (rained)

5. If I hadn’t told him the bad news yesterday, he _______ unhappy now. (wouldn’t be)