2022届高考英语二轮复习：虚拟语气在if条件状语从句中的应用教案

虚拟语气在if条件状语从句中的应用教学设计
Teaching aims: （教学目标）
Can use the correct form of the subjunctive mood in if-clause .(能正确运用虚拟语气在if条件状语从句中的形式)
Teaching important point:（教学重点）
Master the subjunctivemood in if-clause .（掌握虚拟语气）
Teaching difficult point:（教学难点）
Help the students master the subjunctive mood in if-clause .（帮助学生掌握虚拟语气在if条件状语从句中的应用）
Teaching methods:
Using discussion ,inductive methods and individual or pair work to learn the subjunctive mood in if-clause
Learning plan 1 period
一、看一看
翻译比较：
1、I am not beautiful. I wish I were beautiful.
2、It is a great pity that you can’t come. I wish you could come.
3、I can’t draw very well. I wish I could draw well.
设计意图：通过这几个简单的假设问题，让学生了解到虚拟语气的具体概念，引出非真实条件句。
二、说一说
虚拟语气的定义：
——————————————————————————————————————————————————————————
表示说话人所说的话不是事实，或不可能实现或实现的可能性很小的情况，而是一种假设，愿望怀疑或推测。
设计意图：让学生虚拟语气有一个总体认识。
三、辩一辩
What’s the difference between the two sentences
（1）If I am free, I will visit you.
（2）If I were a bird, I would fiy into the sky。
（3）If it rains tomorrow ,we will have to put off our school sports meeting.
<真实语气>
（4）If it rained tomorrow ,we mould have to put off our school sports meeting. <虚拟语气>
设计意图：区分真实语气与虚拟语气。
四、The subjunctive mood in if-clause（虚拟语气在If条件从句中的用法。）
1、【Find the rules（自我发现）】
Contrary to the present （表示与现在事实相反的假设）：
If I were you ,I would study hard.
If I had time, I would come to see you.
(
条件状语从句用
________________________________
主句用
________________________________________
)
【即学即用】
1）、If it _____(be) fine now, I ____________ (go) shopping.
2）、If I ____ (have) enough money,I _______(will) buy a new car.
设计意图：通过设置情景，呈现现在时间的条件虚拟句，让学生注意发现语法规则，总结出与现在时间事实相反的虚拟条件句式特点。
Imagine：（猜想）
What would you do If you won the lottery(彩票5000000元).
If I had five million yuan , I would _________
设计意图：
通过模拟情景，让学生学以致用，会灵活的使用学过的虚拟句式表述自己的观点和想法，达到交际的目的，使输入的语法知识内化为语言能力，通过书面和交际的方式输出，达到教学的最终目的。
2、【Find the rules（自我发现）】
Contrary to the past. （表示与过去事实相反的假设）：
If you had come here last night , you would have met him.
If he had taken my advice, he would have passed the exam.
If it had rained yesterday, we would have stayed at home.
(
条件状语从句用
________________________________
主句用
________________________________________
)
【即学即用】
1）. If you ______( work) carefully,you_________________(not) make so many mistakes.
2）．If he________________(drive ) more carefully,he ____________(not have) an accident yesterday.
设计意图：通过设置情景，呈现过去时间的条件虚拟句，让学生注意发现语法规则，总结出与过去时间事实相反的虚拟条件句式特点。
3、【Find the rules（自我发现）】
Contrary to the future. （表示与将来事实相反的假设）：
If it were to rain tomorrow , We would stay at home.
If it rained tomorrow , We would stay at home.
If it should rain tomorrow , We would stay at home.
(
条件状语从句用
________________________________
主句用
________________________________________
________________________________________
_________________________________________
)
【即学即用】
1、If she _______________(come),I ___________ (ask) her for help.
2、She _________________(catch)cold if she had put on more clothes.
设计意图：通过设置情景，呈现将来时间的条件虚拟句，让学生注意发现语法规则，总结出与将来时间事实相反的虚拟条件句式特点。
五、小结：
时 间 if条件状语从句 主句
表示与现在事实相反的假设
表示与过去事实相反的假设
表示与将来事实相反的假设
设计意图：设计呈现表格，让学生填写，展示虚拟语气语法规则，总结规律。
六、if条件状语从句的倒装
观察：
Were I you ,I would study hard.
Had he taken my advice, he would have passed the exam.
Should it rain tomorrow , We would stay at home.
结论：
_____________________________________________________________________________________________________________________________________________________________________________________________________
设计意图：学会if条件状语从句的倒装
七、拓展练习
1、If it hadn’t rained last Sunday, we _____ picnicking.
A. could B. could have gone C. went D. would go
2、_____ I to tell her about it, she would be very glad.
A. Should B. Would C. Were D. Might
3、He is busy now. If he _______ free, he ______________with you.
A. were ; would have go B. was ; will;
C. were; would go D. was ; would go
4、I didn’t see your sister at the meeting. If she _____, she would have met my brother.
A. has come B. did come C. came D. had come
5、If I had had enough time, I___ my work.
A. would finish B. must have finished
C. would have finished D. had finished
6、If she had worked harder, she ____.
A. would succeed. B. had succeeded
C. should succeed D. would have succeeded
7、___, I would take an umbrella with me.
A. Had I been you B. I were you
C. Were I you D. I had been you
8、 If I had hurried, I ___ the train.
A. would catch B. could catch C. would have caught D. had caught
设计意图：通过练习、讲解、辨析，了解学生理解和学习的程度，分析学习中存在的问题和误区介绍传授解题技巧与方法，提高答题准确率。