Grammar and usage(2): Unreal conditions优质课教案推荐

Module 6 Unit 3

Grammar and Usage Unreal conditionals 一、学习目标

【知识与技能】

①理解虚拟语气的概念。

②了解与现在、过去和将来事实相反的虚拟语气的谓语结构。

③了解省略if的虚拟语气。

【过程与方法】

①朗读句子，归纳与现在、过去和将来事实相反的虚拟语气的谓语结构。

②体会句子的不同语气和练习，理解运用虚拟语气。

【情感态度与价值观】

通过发现、学习、掌握规律，培养学生积极主动学习的品质。

二、学习重难点

虚拟语气中的各种结构。

三、学习课时

1 课时

四、学习过程

Step 1

自学导入

学习任务：理解虚拟语气的概念并了解虚拟语气的三种类型

【学生活动】朗读并翻译下列句子，归纳虚拟语气的概念并判断该句与什么事实相反。

1. If I had worked harder in Senior One, I might have made greater progress.

与

事实相反。

2. If I were as tall as Yao Ming now, I could play basketball as well as him.

与

事实相反。

3. If China developed very fast in the following 10 years, it would catch up with the developed countries.

与

事实相反。

【教师点拨】虚拟语气的定义：虚拟语气是一种动词形式，表示说话人的愿望、假设或推测。

【学生归纳】虚拟语气通过谓语动词的特殊形式来表示，有三种基本类型，分别是：与_______事实相反、与_______事实相反和与_______事实相反。

Step 2

典例导学

学习任务一：掌握与过去事实相反的虚拟语气的用法

【学生活动】朗读下列句子，划出主、从句的谓语动词并归纳其谓语结构。

1. If you had not told him the truth yesterday, he would have not been angry. 2. If it had been sunny yesterday, we would have done morning running. 【学生归纳】

时

间

条件从句的谓语形式

主句的谓语形式

S+ ______________________ 与过去事实相If S+ ________________ 反

【配套练习】运用以上结构完成下列句子。

1. If I _____________(come) here yesterday, I would have seen him. 2. He _____________(succeed) in the competition last time, If he had taken my advice, 3. I would have never become a writer, _______ I had not gone through all that I did.

学习任务二：掌握与现在事实相反的虚拟语气的用法。

【学生活动】朗读下列句子，划出主、从句的谓语动词并归纳其谓语结构。

1. If I lived on the moon, I might see the beauty Chang’e.

2. If I were Obama, I wouldn’t attack other countries.

【学生归纳】

时

间

条件从句的谓语形式

主句的谓语形式

S+_____________________ 与现在事实相反

If S+___________________

【教师点拨】

在if引导的虚拟条件句中，从句谓语为be动词时，一般用________。

【配套练习】改错

1. If she left now, she will not attend your wedding.

2. If there was no electricity, human’s life would be different today.

学习任务三：掌握与将来事实相反的虚拟语气的用法。

【学生活动】朗读下列句子，划出主、从句的谓语动词并归纳其谓语结构。

1. If I got time tomorrow, I would certainly help you. 2. If it should be the Spring Festival tomorrow, I might give you a big red envelope. 3. If you were to go to England, you would learn English quickly. 【学生归纳】

时

间

与将来事实相反

条件从句的谓语形式

①If S+__________________ ②If S+ __________________ ③If S+ __________________ S+ ___________________ 主句的谓语形式

学习任务四：掌握省略if的虚拟语气

【学生活动一】

朗读下列句子，划出主从句的主语和谓语，并归纳用法。

1. If you should make a mistake, you should not be embarrassed. = Should you make a mistake, you should not be embarrassed.

2. If you had told me earlier, I would not have this problem now. = Had you told me earlier, I would not have this problem now. 3. If you were to take the train, you would be there earlier. = Were you to take the train, you would be there earlier. 【学生归纳】在虚拟条件句中可省略_______, 把________,_______,_______提到句首。

【配套练习】

1. _____it rain tomorrow, we would have to put off the visit to the Yangpu Bridge. 2. _____ I to do the work, I should do it some other day. 3. ________he caught the morning train, he would not have been late for the meeting.

Step 3

目标导结

【学生活动】

1. 填写下表，归纳虚拟语气谓语动词的基本结构。

非

真

实

条

件

句

时

间

与过去事实相反

与现在事实相反

从

句

If S+______________+…

If S+______________+…

If S+______________+…

与将来事实相反

If S+______________+…

If S+______________+…

2. 在虚拟条件句中可省略_______, 把________,_______,_______提到句首。

S+________________________+…

主

句

S+________________________+…

S+________________________+….

Step 4

拓展导练

【综合练习】根据中文提示，用虚拟语气完成下列句子，每空一词

1.

假如我有更多时间，我就会学习德语。

If I ＿＿＿

______ more time, I ＿＿＿

______ German 2.

要是我像你一样年轻，我就会挑战自己。

If I ＿＿＿

as young as you, I would challenge myself.

3.

如果你昨天告诉他，他也许会提些建议了。

If you ＿＿＿

______him yesterday, he ＿＿＿

______ ＿＿＿

some tips.

4.

如果他明天来，我就会与他谈谈此事。

If he ＿＿＿

______ tomorrow, I ＿＿＿

______ to him about it.

5.

假如我要出国，我就会去法国。

If I ＿＿＿

______ go abroad, I would go to France.