Grammar and usage(1): Unreal conditions优秀说课稿

海门市第一中学

语法专题

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语法专题复习—

情态动词、虚拟语气

教学内容分析：（1）情态动词（2）虚拟语气

教学目标：1.学生能熟知情态动词的基本用法以及虚拟语气的基本用法

2.学生能够把情态动词及虚拟语气运用于书面表达中

Activity one【高考回眸】

1．______ not for the support of the teachers，the student could not overcome her difficulty. (2017·江苏，22) A．It were

B．Were it C．It was

D．Was it 2．If it ________ for his invitation the other day, I should not be here now.

(2016·江苏，27) A．had not been

B．should not be C．were not to be

D．should not have been 3．George ________ too far. His coffee is still warm.

(2016·浙江，17) A．must have gone

B．might have gone C．can’t have gone

D．needn’t have gone

4．You ______ feel all the training a waste of time，but I’m a hundred percent sure later you’ll be grateful you did it.

(2015·陕西，21) A．should

B．need C．shall

D．may 5．Ellen is a fantastic dancer. I wish I ________ as well as her.

(2015·陕西，23) A．dance

B．will dance C．had danced

D．danced 6．Without his wartime experiences，Hemingway ______ his famous novel A

Farewell

to

Arms. (2015·重庆，7) A．didn’t write

B．hadn’t written

C．wouldn’t write

D．wouldn’t have written

Activity two【难点突破】

一、情态动词的基本用法。

1、can （1）表客观可能性

Accidents can happen on such rainy days.

（2）用于固定表达中：can’t...too/enough表示“再...也不为过”；can’t help doing sth=can’t help but do sth表示“禁不住做某事”

You can’t be too careful while driving.

Hearing the story, I couldn’t help laughing. 2、may, might （1）表示祝愿，常用结构为“May+主语+动词原形”.May you return in safety.//May you succeed.

（2）用于固定表达中“may/might as well + 动词原形”意为“不妨做某事”；“may well do sth”

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意为“很可能做某事”。

3、must （1）表示义务，意为“必须”（主观意志）回答must的一般疑问句时，若是否定回答，不用mustn’t，而用needn’t/don’t have to，表示“不必”的意思。

（2）表示“偏要，非得”。Must you make such loud noise? 4、shall （1）用于第一、第三人称疑问句，表示征求对方的意见或请示。

Shall I tell Brett to come over straight after school tomorrow? （2）用于第二、三人称的陈述句，表示说话人给对方的命令、警告、允诺和威胁。

I promise he shall get a present for his birthday. （3）用于条约、法令、法律、规定等，意为“必须”。

It has been announced that candidates shall remain in their seats until all the papers have been collected.

已宣布，在试卷收上来之前，应试者必须待在自己的座位上。

5、should, ought to （1）意为“应该”，表示责任或义务时，ought to=should=be supposed to （2）should表示出乎意料的语气，意为“竟然，居然”。

That he should speak to you like that is quite astonishing. I’m surprised that he should eat so little every day. It’s a pity that she should fail in the entrance examination. （3）should表示根据经验或常理的推断：

The watch should be OK tomorrow. He should be here on time—he started early enough. （4）（表示可能）假如，万一

In case you should need any help, here’s my number.

Should anyone call, please tell them I’m busy.

6、will, would （1）用于表示意志或意愿。

I will never do that again. / They said that they would help us. （2）表示习惯性动作，“总是”。

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（3）表示事物的属性

The window won’t open.

二、if虚拟条件句的倒装：虚拟条件句的从句部分含有were, should, 或had时，可省略if，

再把were, should, 或had移到从句的句首，实行倒装。

例如：Were they here now, they could help us. =If they were here now, they could help us.

Had you come earlier, you would have met him.=If you had come earlier, you would have met him.

Should he fail in the experiment this time, he would try again.=If he should fail in the experiment this time, he would try again. Activity three【活学活用】

一、改错

1.

The streets are all dry; it mustn’t have rained last night.

____________________ 2.

I didn’t see Mary at the meeting yesterday. She might be ill, I guess.

_________________ 3.

The fire spread through the hotel quickly, but everyone could get out.

_________________ 4.

Will I open the window for you?

_____________________________ 5.

Hadn’t they saved us, we would have been drowned in the stormy river.

_______________ 6.

She mustn’t have been to your home.

She doesn’t know your address. __________________ 7.

—Daddy，can you buy me a new MP5 when you go to Beijing?

—You will get one if you are admitted to a key middle school. _______________________ 8.

Dare you to tell your parents your school records?

____________________________ 9.

If you may go，at least wait till the rain stops. _____________________________ 10.

—What are you doing this Saturday?

—I’m not sure，but I should go to the Rolling Stones concert. _____________________ 11.

—Must I finish all the work before noon? —No，you mustn’t.

____________________________ 二、用所给动词的适当形式填空

1. If I ________________ him yesterday I _______________ him about it. (see, ask) 2. What do you think would happen if there ____________ no light during the days? (be) 3. But for your help, I couldn’t ___________ the place. (find) 4. If her lawyer ________ here last Sunday, he ______________ her from going. (be, prevent) 5. If it had not been for the liberation, no changes _____________ place in my hometown. (take) 6. If Miss Green ______________ late tomorrow, who would take her place? (come)

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7. It seems as if it _______________ already summer now. (be) 8. I wish I ___________________ him the day before yesterday. (see) 9. I made the suggestion that they _______________ the plan they had made. (stick) 10. It is suggested that a study plan _______________ right now. (make) 11. They required that we _______________ them get in the crops. (help) 12. It was ordered that no smoking _____________ in the library. (allow) 13.I’d rather Tom _______________ tomorrow. (come) 14.It is about time you _______________ the medicine, sir. (take) 15.If there ____________ no electricity in the future, our life ____________ a lot. (be, change) 16. What would have happened if you ______________ her child? (not help) 17. It is strange that he _____________ so. (think) 18. Galileo insisted that the earth ______________ round the sun. (move) 19. I was very busy yesterday, otherwise I ______________ to the meeting. (come) 20. If only I _______________ to my parents’ advice! (listen) 三、

翻译下列句子

1.

如果你昨天不看电视，你现在也就不会这么困了。 ___________________________________________________________________________ 2.

这位老师对待学生就像自己的孩子一样，孩子们都很尊敬她。

___________________________________________________________________________ 3.

随着社会快速发展，我们非常有必要精通英语和电脑。

___________________________________________________________________________ 4.

马路湿了，昨天肯定下过雨了。

___________________________________________________________________________ 5.

我仍然记得我的快乐童年，那时母亲常会在周末带我去迪斯尼乐园。

___________________________________________________________________________

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学训：担责在肩

孜仡于学