中小学教育资源及组卷应用平台
Unit 4 Don’t eat in class.
Section A (1a-2d)课后练习
Ⅰ.英汉互译。
1.上课迟到 2. 上课听音乐
3. 在餐厅里吃饭 4. 穿校服
5. run in the hallways 6. wear a hat
7. be on time for class 8. be good for
Ⅱ.根据句意及首字母或汉语提示完成单词。
1. We should (到达) in Beijing tomorrow.
2. Don't (打架) here.
3. It's (重要的) to learn English well.
4. I like to play (在外面) after school.
5.Ann often (戴着) a hat.
Ⅲ.句型转换
1. I have to clean the classroom. (改为一般疑问句)
you clean the classroom?
2. We can listen to music in the music room. (改为一般疑问句)
— you music in the music room?
— Yes, we
3. We have to wear a uniform. (改为否定句)
We wear a uniform.
4. Don't be late for school. (改为同义句)
Please be for school.
5. We can't run in the hallways. (改为祈使句)
in the hallways.
Ⅳ.完形填空。
There are lots of rules at Selina's school.
She agrees with some 1 them. For example, they can't arrive 2 , they can't run in the hallways, and they can't eat in class. All 3 rules are okay because they're reasonable(合理).
But there are some rules Selina 4 agree with. For example, at her school they have to wear the school uniform and they can't wear jeans. But she thinks jeans are 5 because they're comfortable. In school, they can't listen to music in art class. Selina doesn't agree with this rule. She thinks 6 music in art class is okay.
Selina 7 has to follow some rules at home. For example, 8 she wants to watch TV, she has to finish her homework first. And she can't go out with her friends 9 school nights, that is, from Monday to Friday. She also has to clean her room 10 week. Luckily, she doesn't have to take out the trash (垃圾). She hates it.
( )1.A. of B. from C. to D. under
( )2. A. busily B. late C. early D. happily
( )3.A. this B. that C. these D. it
( )4.A. didn't B. isn't C. don't D. doesn't
( )5. A. good B. heavy C. bad D. expensive
( )6. A. listening B. listening to C. listen to D. listen
( )7.A. too B. else C. also D. other
( )8. A. because B. so C. but D. if
( )9.A. on B. in C. at D. with
( )10. A. two B. next C. every D. last
参考答案
Ⅰ.英汉互译。
1. arrive late for class 2. listen to music in class
3. eat in the dining hall 4. wear the school uniform
5. 在走廊里跑 6. 戴帽子 7. 按时上课
Ⅱ.根据句意及首字母或汉语提示完成单词。
1. arrive 2. fight 3. important 4. outside 5. Wears
Ⅲ.句型转换
1. Do，have to 2. Can，listen to，can 3. don't have to
4. on time 5. Don't run
Ⅳ.完形填空。
1. A 解析：some of them“其中一些”。
2. B 解析：arrive late“迟到”。
3. C 解析：these“这些”，修饰名词复数。
4. D 解析：一般现在时态，且主语为第三人称单数，故助动词用does。
5. A 解析：根据下文可知：学校不准穿牛仔裤，但她认为穿牛仔裤好。
6. B 解析：从句中有谓语动词，所以此处应用非谓语动词形式；listen为不及物动词，后面不能直接跟宾语，而listen to相当于一个及物动词，后面可以跟宾语。
7. C 解析：also“也”，用于句中。
8. D 解析：if“如果”，引导条件状语从句。
9. A 解析：on school nights“在上学的晚上”，“在……的晚上”用on。
10. C 解析：句意为：她还必须每周都打扫房间。
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Unit4 Don’t eat in class.
Period(Two)Section A（Grammar Focus-3c）
版本:人教版七年级下册
Lead in
Enjoy a video and answer what does the video talk about?
To learn Imperatives Don’t…:
Don’t run in the hallways.
To learn to use can for permission:
Can we eat in the classroom?
To learn to use modal verbs have to & must:
We have to be quiet in the library.
We must be on time for class.
objectives
1. 不要在楼道里跑。
_______________________
2. 不要打架。
_______________
3. 有什么规矩？
______________________
我们必须按时上课。
_______________________
Don’t fight.
Don’t run in the hallways.
What are the rules?
We must be on time for class.
Grammar
4. 我们可以在教室里吃东西吗？
_____________________________
不能。但我们可以在餐厅里吃东西。
______________________________
______________________________
5. 我们可以在上课的时候带帽子吗？
___________________________
可以。/ 不可以。
______________________________
Can we wear a hat in class?
No, we can’t, but we can eat in the dining hall.
Can we eat in the classroom?
Yes, we can. / No, we can’t.
6. 他在学校里必须穿校服吗？
__________________________________
是的，必须。/ 不，不必。
__________________________________
7. 你们必须做什么？
__________________________________
在图书馆里我们必须保持安静。
__________________________________
Yes, he does. / No, he doesn’t.
Does he have to wear a uniform at school?
What do you have to do?
We have to be quiet in the library.
Observe and learn.
Don’t eat in the classroom.
Don’t fight.
Don’t run in the hallways.
Don’t arrive late for class.
Don’t listen to music in class.
Have a think:
祈使句是怎样构成的？
一般在什么情况下会用祈使句？
Don’t …
不要做……
Presentation
注意：
有时可在祈使句的句首或句尾加上please，使语气显得客气、有礼貌。如果在句尾加please，应该用逗号与前句隔开。
祈使句一般用来表示请求、命令、劝说、号召、警告等。
祈使句中, 通常省略第二人称主语you。肯定式以动词原形开头，否定式一般在动词原形前加don’t。
一、祈使句的肯定式
1. 以行为动词原形开头，简称Do型。
e.g. Come here. 到这儿来。
2. 以动词be开头，简称Be型。
e.g. Be quiet, please. 请安静。
3. 以Let开头，简称Let型。
e.g. Let’s go! 咱们走吧!
二、祈使句的否定式
1. Do型和Be型的否定式是在句首加don’t。
e.g. Don’t sit here. 不要坐在这儿。
Don’t be late. 别迟到。
2. 以let开头的祈使句，其否定式有两种：
直接在句首加don’t
let +宾语+not +动词原形+ (其他)
e.g. Don’t let him go. 不要让他走。
Let’s not go there. 咱们别去那儿。
注意：
“No+名词/动词?ing形式”表示禁止或规劝，常用于公共场所。
e.g. No photos!
禁止拍照！
No smoking！??????
禁止吸烟！
【语境应用】翻译句子。
1)?快点走。
Walk quickly.?
2) 别让他们说话。
Don’t let them talk. / Let them not talk.?
3) 安静点！
Be quiet!
4) 不要在这儿吃东西。
Don’t eat here.
Observe and learn
情态动词can, must, have to 后面都接动词原形
Think:
1. 情态动词在用法上有什么共同点？
2. can在本单元主要表示什么含义？它还可表达什么意思？
3. have to在用法上与其他情态动词有何区别？
can 可以，表示请求、允许。
I?can?dance?and?sing.
can还可表示能力, 能，会。
-- Can?the?students?run?in?the?hallways??
-- Yes, they can./No, they can’t.
We can’t eat in the classroom.?
can
肯定句:
主语+can+动词原形+其他.
否定句：
主语+can not/can’t+动词原形+其他.
疑问句:
Can+主语+动词原形+其他?
肯定回答：Yes, 主语+can.
否定回答：No, 主语+can’t.
情态动词can的句型结构:
情态动词must表说话人的主观看法，表示必须、必要。无人称和数的变化 ，不能单独使用，必须与其后的动词原形构成谓语。
句型结构：主语+must+动词原形+其他
e.g. You must come in time.
你必须按时来。
The children must be back before 6
o’clock. 孩子们必须6点前回来。
have to 表示必须, 强调客观需要, 有不得不、被逼无奈做某事的意思。
有人称、单复数的变化, 和动词时态的变化。
否定形式和疑问句形式均需要借助助动词do才可以进行变化。
have to的句型结构:
肯定句：
主语＋have/has/had?to＋V原形＋其他.
否定句：
主语+don’t/doesn’t/didn’t?have?to＋V原形＋其他.
疑问句:
Do/Does/Did＋主语＋have?to＋V原形＋其他?
e.g. She has to look after her mother at home.
We don’t have to clean the room today.
--Does he have to go to bed now?
--Yes, he does./ No, he doesn’t .
Library Rules
Don’t talk.
________________
________________
________________
Write the rules for the school library.
Don’t listen to music.
Don’t eat or drink.
Don’t take photos.
3a
practice
Use the words to make questions about the rules. Then write answers according to your school.
Be quiet?
Q: ___________________________________ (she/have to/ in the library)?
A: ___________________________________
Eat?
Q: ___________________________________
(he/have to/in the dining hall)?
A: ___________________________________
Does she have to be quiet in the library?
Yes, she does.
Does he have to eat in the dining hall?
Yes, he does.
Listen to music?
Q: ___________________________________ (we/can/ in the hallways)?
A: ___________________________________
Wear a hat?
Q: ___________________________________
(we/can/in the classroom)?
A: ___________________________________
Can we wear a hat in the classroom?
No, we can’t.
Can we listen to music in the hallways?
No, we can’t.
At my dream school, we don’t have to come to school every day…
We can eat in class…
Make up five cool rules for your dream school. Share your rules with the class. Your classmates vote for the Coolest School!
3c
We don’t have to wear school uniforms…
We don’t have to do homework every day…
Discuss and make rules for the computer room in your school.
Computer Room Rules
_______________
_______________
_______________
________________
________________
We must be quiet in the computer room.
Don’t run in the computer room.
Don’t eat or drink in the computer room.
Wear slippers in the computer room.
Computer Room Rules
___________________________________
___________________________________
___________________________________
___________________________________
___________________________________
We must be quiet in the computer room.
Don’t eat or drink in the computer room.
Don’t run in the computer room.
Wear slippers in the computer room.
Clean the computer room every day.
(be) on time?准时, listen to music?听音乐
in the hallways?在走廊里
in the dining hall?在餐厅里
in class?上课；听课；在课堂上
a lot of?许多；大量, have to?必须；不得不
music players?音乐播放器
wear the school uniform?穿校服
dream school?梦想中的学校
Be quiet.?安静。
Summary
一、根据句意，用can和can’t填空。
1. Mr. Green_______ smoke here because there’s a sign on the wall. It says “No smoking.”
2. It’s very hot outside. You______ wear a hat.
3. We _______ eat in the classroom because it’s impolite to teachers.
4. I ______ go to bed after 11:00 on school nights.
5. The students _____ read books and magazines in the library.
can’t
can
can’t
can
can’t
Exercise
用have to或has to填空。
1.We ________ clean our classroom after school.
2.She _________ make her bed after getting up.
3.It’s late. Mr Beckman ______ go to work by car.
4.Emily and Peter join a music club. They _______ practice the guitar every day.
have to
have to
has to
has to
二、根据括号内的要求完成下列各题。
1. We can eat?at my home.? (对划线部分提问)
______ ______ you ______?
2. John must finish his homework today. ?(改为一般疑问句)
______ John ______ his homework today?
3. They can draw pictures in class.? (改为一般疑问句)
______ ______ draw pictures in class?
Where can eat
Must finish
Can they
4. —Does Jane have to wear a sweater at school? ?(补全肯定答语)
—Yes, ______ ______.
5. —Can they play in the hallways???(补全否定答语)
—No, ______ ______.
she does
they can’t
三、根据汉语意思完成英语句子。
1. Jack，在教室里不要戴帽子。
Jack, ______ ______ _______ ______ in the classroom.
2.?我可以在放学后骑自行车回家吗？
______ I ______ ______ ______ home after school?
3.?这是我第一次把音乐播放器带到学校。
It’s my first time to bring my ______ ______ ______ ______.
don’t wear the/your hat
Can ride a/my bike
music player
to school
4.?在星期日我们不必早起。
We ______ ______ ______ get up early on Sundays.
5.?我必须遵守家规。
I ______ ______ the ______ ______.
don’t have to
must follow family rules
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