英语九年级全册Unit 1 When was it invented?Section A学案及答案

课题：Unit 2 Teenagers should be allowed to choose their own clothes. 第1课时

学习目标：

1、重点单词

license（n.）证；证件; safety（n.）安全；安全性; smoke（v.）冒烟；吸烟（n.)烟

2、重点词组

the driver’s license 驾照；No way休想；have part-time jobs有兼职工作；get their ears pierced穿耳洞；cut the hair 理发；the famous painting by Picasso毕加索的名画；use a flash使用闪光灯

3、重点句式

(1)—I don’t think sixteen-year-olds should be allowed to drive.我认为16岁的青少年不应被允许开车。

—I agree.They aren’t serious enough.我同意。他们不够严肃认真。

(2)Teenagers should not be allowed to smoke.青少年不应被允许吸烟。

(3)Students should not be allowed to have part-time jobs.学生们不应当被允许有兼职工作。

(4)Teenagers should be allowed to choose their own clothes.青少年应当被允许选择自己的衣服。

(5)Do you think we may be allowed to take photos if we don’t use a flash?你认为如果我们不用闪光灯，我们可能被允许拍照吗？

重点难点：

重点:掌握情态动词被动语态的用法和疑问句形式。

难点: 灵活运用含有情态动词的各种句型进行对话。

导学设计：

1. Teenagers should be allowed to choose their own clothes.

青少年应该被允许选择他们自己的衣服。

【归纳】 should be allowed“应该被允许”, 是含情态动词的被动语态结构, be allowed to do sth. 意为“被允许做某事”。

【拓展】allow的三种搭配

(1)be allowed to do sth. 意为“被允许做某事”;

他们允许在周末打篮球。They                      basketball on weekends.

(2)allow sb. to do sth. 意为“允许某人做某事”;

我妈妈允许我和朋友一起学习。My mother                   with my friends.

(3)allow doing sth. 意为“允许做某事”。

他们不允许在这儿吵闹。They don’t           noise here.

【现学现练】 (1) —Why don’t you watch TV at home?

—I’d love to, but my mother doesn’t allow me　　　that.

A. do　　　　B. did　　　　C. to do　　　　D. doing

(2) 酒后驾驶是不允许的。

Driving after drinking wine ___________.

(3) I think teenagers shouldn’t be allowed _________(change)the color of their hair.

2. .Sixteen-year-olds shouldn’t be allowed to get their ears pierced.

不应该允许16岁的青少年穿耳孔。

【归纳】 (1)get their ears pierced意为“穿耳孔”, 此处pierced是动词pierce的过去分词形式, their ears和动词pierce之间存在被动关系。

(2)“get/have+名词/代词+过去分词”结构, 意为“让某人做某事(让某事被做)”, 其中过去分词作宾语补足语, 表示被动意义, 与宾语(即前面的名词或代词)之间存在逻辑上的被动关系。

莉莉应该理发了。Lily should have her hair cut.

【拓展】(1)get/have sth. done意为“让某事被做”, 其中过去分词和宾语(sth. )之间存在逻辑上的被动关系。

我想让人把我的自行车修理一下。I want to                   .

 (2)have sb. do意为“让某人做某事”, 其中动词原形与宾语(sb. )之间存在逻辑上的主动关系。

老师让李明天天擦黑板。The teacher                   the blackboard every day.

 (3)get sb. to do sth. 意为“让某人做某事”, 其中动词不定式与宾语(sb. )之间存在逻辑上的主动关系。

老师让李明天天擦黑板。 The teacher                   the blackboard every day.

【现学现练】

(1) —Tom, why are you in such a hurry?

—Oh, my bike is broken, I’m going to have it　　　.

A. repairing　　　　　B. repaired　　　　　C. to repair      D. to repairing

 (2) Mr Green had his son _____ (water)the flowers.

(3) The teacher got his students _________ (prepare)some paper.

3. I don’t think sixteen-year-olds should be allowed to drive.

我认为不应该允许十六岁的青少年开车。

　【归纳】本句是一个含有宾语从句的复合句, 主句的谓语动词是      , 宾语从句表示否定时, 否定要前移, 即否定主句的谓语动词。

【拓展】英语中的“否定前移”

(1)在宾语从句中, 当主句的谓语动词是think, believe, expect, suppose等动词时, 后面的宾语从句若要表示否定意义, 需将not移到主句中来, 即主句的谓语动词用否定式, 而从句的谓语动词用肯定式, 这种现象被称为“否定前移”。

(2)否定前移的宾语从句变反意疑问句时, 当主句的主语是第一人称时, 其附加疑问部分的主语、谓语要与从句保持一致。当主句的主语不是第一人称时, 其附加疑问部分的主语、谓语要与主句保持一致。例如:

我认为他并不聪明, 对吧? I don’t think he is clever,      ?

汤姆认为他的父母不会允许他这样做, 对吗? Tom doesn’t think his parents will allow him to do so,        ?

【现学现练】

(1)I think he will go to his birthday party tomorrow. (改为否定句)

I _____ think he ____ go to his birthday party tomorrow.

(2)We think he can finish the work on time, _______? (完成反意疑问句)

(3)My parents think I should spend more time on my school work, _________? (完成反意疑问句)

知识巩固：

Ⅰ. 单项选择

1. Food　　　is a problem that all the people should pay attention to.

A. safe　　　B. safely　　　C. safety　　　D. safeties

2. I don’t think parents should allow their　　　to go out with friends at night.

A. fifteen-year-old    B. fifteen-years-old

C. fifteen-year-olds   D. fifteen years old

3. Yesterday my sister had her computer　　　at the service center.

A. fixed   B. to fix   C. fix   D. fixing

4. You may be allowed to stay here if you　　　any noise.

A. won’t make    B. don’t make

C. didn’t make    D. aren’t make

5.—Dirty water shouldn’t be poured into rivers.

—  ______. It will cause pollution.

A. I agree with you            B. Never mind

C. I disagree                                                                                                                                                                         D. That’s right

Ⅱ. 句型转换

1. Our school should allow us to take part in the after-school activities. (改为被动语态)

We _____ _____ _____ _____ _____  part in the after-school activities by our school.

2. He seems to have a lot of work to do. (改为同义句)

_____ _____ _____  he has a lot of work to do.

3. The books can be taken out of the library. (改为否定句)

The books _____ _____ _____  out of the library.

4. I think you should help him do it. (改为否定句)

I __________ think you __________ help him do it.

5.I think Bob should cut his hair.(改为否定句)

I _______ think Bob _______ cut his hair.

参考答案：

参考答案：

导学设计：

1. 【拓展】(1)are allowed to play(2)allows me to study (3)allow making

【现学现练】 (1)C(2)isn’t allowed (3) to change

2. 【拓展】(1) have my bike repaired(2)has Li Ming clean(3) gets Li Ming to clean

【现学现练】(1)B (2) water (3)to repair

3. 【归纳】think【拓展】(2) is he;  does he 【现学现练】(1)don’t; will(2)can’t he(3)don’t they

知识巩固：

I. 1-4 CCABA Ⅱ. 1. should be allowed to take 2. It seems that 3. can’t be taken 4. don’t；should 5. don’t; should