课件23张PPT。第二课时：Section A
(Grammar Focus-3c)Don't eat in class. Unit 4 同学们，上一课学习的单词、短语和句型你们都掌握了吗？现在大家来检验一下，点击下面的音频开始听写吧！ Our school is very big and beautiful，and there are a lot of rules helping us to study better. Can you tell me the rules in the school？Look at the picture to talk about what you have to/must/can’t do.Grammar FocusGrammar Focus
祈使句 用于表达命令、请求、劝告、警告、禁止等的句
子叫做祈使句。祈使句最常用于表达命令。祈使句因
对象(即主语)是第二人称，所以通常都省略主语。祈
使句的开头动词都为原形，句末则使用句号或叹号。eg: Go and wash your hands.去洗你的手。(命令)
Be quiet，please.请安静。(请求)
Be kind to your sisters.对妹妹要和善。(劝告)
Look out! Danger！小心！危险！(警告)
Keep off the grass.勿践踏草坪。(禁止)语法讲解考点 1祈使句的形式考向一肯定祈使句的表现形式：—________dressed now! We have to go in ten
minutes.
—OK, Mom.
A．Getting B．Get
C．To get D．Gets典例B【点拨】考查祈使句。句意：——现在就穿上衣服！十分
钟之后我们必须走。——好的，妈妈。空格所在句为祈使
句，祈使句以动词原形开头。考向二否定祈使句的表现形式：
①Do型和Be型的否定式都是在句首加Don't。
eg: Don't forget me！不要忘记我！
Don't be late for school！上学不要迟到！
②Let型的否定式有两种：“Don't＋let＋宾语＋
动词原形＋其他成分”和“Let＋宾语＋not＋
动词原形＋其他成分”。
eg: Don't let him go./Let him not go.别让他走。
③有些可用no开头，用来表示禁止性的祈使句。
eg: No smoking！禁止吸烟！
No fishing！禁止垂钓！典例Daniel, ________ play with the mobile phone while you're walking in the street.
A．don't B．doesn't
C．won't D．can'tA【点拨】考查祈使句。句意“丹尼尔，在街上走路时不要玩手机。”本句为祈使句的否定式，其构成为“don't＋
动词原形＋其他”。故选A。魔法记忆祈使句用法歌诀
祈使句，祈使句，请求、命令或建议。
主语是you常省去，动词原形开头记。
否定形式要注意，句首要把Don't加。
要讲客气用please，句首、句末没关系。Library Rules
1. Don't talk.
2．____________________
3．______________________
4．_____________________Write the rules for the school library.3aDon't eat in the library.Don't listen to music.Don't take photos.__________________________Use the words to make questions about the rules.
Then write answers according to your school.3bBe quiet?
Q：Does she have to be quiet in the library？
(she/have to/in the library)?
A: Yes，she does.
Eat?
Q: ___________________________________
(he/have to/in the dining hall)?
A：_____________________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?Yes，we can.Can we listen to music in the hallways?No，we can't.Make up five cool rules for your dream school.
Share your rules with the class. Your classmates
vote for the Coolest School!3c 1. We can eat in class.
2. We don't have to come to school
every day.
3....At my dream school，we don't have to come to
school every day. We... 一、从方框中选择合适的单词或短语，并用其适当形式
完成句子(限用一次)
1. Tom，you don't __________ finish your homework today.
have tomust，have to，can，can't，don't have to【点拨】此题可用寻找题眼法解答。由句中的don't可知，此空只能选择have to。don't have to意为“不必”。must，have to，can，can't，don't have to 2. When traffic lights are red，we ________stop and wait.
3. He can speak English in Chinese classes，but he ________
speak Chinese in English classes.
4. —________he eat outside?
—No，he can't.
5. We ________________ go to school on weekends.mustcan'tCandon't have to二、单项选择
6. ________ swim in the river alone，Karen. It's too dangerous.
A．Not B．Don't C．Doesn't
7. —What are the rules at your school?
—Don't run in the hallways and ________ arrive late for class.
A．not to B．won't C．don't D．noBC【点拨】该句无主语，故可判断为祈使句，祈使句的否定句以Don't开头。故选B。8．—How do you usually go to school?
—My school is far away. I ________ take the bus to school.
A．must B．might C．have toC 9. What bad weather it is! Let's ________ at home and
watch TV.
A．stay B．staying
C．stays D．stayed
A【点拨】Let's后接动词原形。 10. —Please come in and ________ a drink.
—Thanks a lot.
A．to have B．having
C．have D．had C【点拨】此题可用寻找题眼法解答。and连接并列成分，前
面是动词短语原形come in，后面也应该用动词原形。故选C。三、按要求改写句子
11.Tom has to go to bed before nine thirty. (改为否定句)
Tom ________ ________ ________ go to bed before nine thirty.
12. I have to eat in the dining hall.(对画线部分提问)
________ ________ you ________ ________ eat? doesn't have to Where do have to【点拨】 此题可用一代二移三倒四抄法解答。对地点提问用
where，并移至句首；加助动词do/does颠倒句子语序(放主
语前)，然后把其他非画线部分抄上即可。 13. You can't listen to music when you do your homework.
(改为祈使句)
________ ________ ________music when you do your
homework.
14.—Can we talk in the library？(完成答句)
—No，you________，but you ________talk outside.
15.You can't arrive late for class. (改为同义句)
________ ________ late for class. Don't listen to can’t Don't arrive 【点拨】考查can't表示“不允许”时与否定祈使句的转化。
在祈使句中第二人称you常省略，故“You can’t...”结构可以
直接转化为“Don't＋动词原形”结构。 can 本节课主要听写了单词，学习了语法：
①祈使句②用can 请求许可③情态动词have to 和must的用法，并做了相应的练习加以巩固。1.熟记本课时的词汇
2.完成本课时的课后作业Unit 4 Section A (Grammar Focus-3c)
一、单项选择
1. ________ listen to music in the classroom.
—Sorry, I won't do it again.
A. Not B. No
C. Do D. Don't
2. ________ a bike to work is good for health.
A. Ride B. Riding
C. Take D. Takes
3. —Why can't Nancy come to your party?
—Because she ________ do her homework.
A. can B. can't
C. has to D. doesn't have to
4. —Look, the lady in red ________ be our English teacher.
—No, she ________ be. She is in the office now.
A. must; can't B. can; mustn't
C. may; mustn't D. shall; can't
5. —Mum, may I go swimming now？
—Yes, dear, but remember that you ________ go with your dad.
A. may B. can
C. must
二、语法专练
6. You must listen to me in class.(改为祈使句)
________ ________ me in class.
7. You can't talk in the classroom.(改为祈使句)
________ ________ in the classroom.
8. Write it on the blackboard, please.(改为否定句)
________ ________ it on the blackboard, please.
9. help, you, do, now, let, it, me (连词成句)
________________________________________________________.
10. He has to wear a school uniform on school days.(改为一般疑问句)
________ he ________ to wear a school uniform on school days?
三、根据句意及首字母提示完成单词
11. Mike never f________ with his brother about small things.
12. It's very i________ for a student to keep healthy.
13. There are some r________ in the library, such as “No talking”.
14. I'm s________ that I can't come to your home for your birthday party today.
15. We can see some fruit, eggs and hamburgers on the d________ table.
四、根据句意选用方框内所给单词的适当形式填空
quiet, outside, bring, important, wear
16. The students can't ________ their food to the library.
17. As a high school student, math and Chinese are very ______ subjects.
18. What a fine day it is today! Let's go and play ________.
19. Don't talk, Peter. You must be ________ in the library.
20. Johnny likes ________ a white T-shirt and black shorts.
五、根据汉语意思完成句子
21. 在学校，你们必须每天穿校服吗？
Do you _______ _______ _______ a uniform at school every day?
22. 你认为你的英语课怎么样？
What do you ________ ________ your English class?
23. 我们不能在教室里吃东西。
We can't ________ in the ________.
24. 音乐课上我们可以唱歌跳舞。
We ________ sing and dance ________ ________ class.
25. 我们可以在学校食堂吃饭。
We ________ eat in the school ________ hall.
六、任务型阅读 (词数：约150；建议用时：6分钟)
There are many rules at Jerry's home and school. She thinks some of them are good. At home, she must get up early for running. She has to make her bed. At school, she can't arrive late. She can't run in the hallways, and she can't eat in the classroom. All these rules are okay because they're good for her.
But there are some rules Jerry doesn't like. At home, she can't watch TV on weekends and she must do her homework all the time. She must read a book after dinner and she can't talk with friends on WeChat. On school days she has to wear the uniform and she can't wear jeans. But she likes jeans because she thinks they are cool. She can't listen to music in the art class, but she thinks listening to music in the art class is okay.
根据短文内容，回答问题。
26. Does Jerry have to make her bed at home?
________________________________________________________
27. How many rules does Jerry think are okay?
________________________________________________________
28. What must Jerry do after dinner?
________________________________________________________
29. When does Jerry have to wear the uniform?
________________________________________________________
30. Why does Jerry like jeans?
________________________________________________________
答案
一、1.D
2. B 点拨：用逻辑判断法。句意：骑自行车去上班有助于健康。句中动名词短语作主语，ride a bike意为“骑自行车”，故选B。
3. C
4. A 点拨：句意：——看，穿着红色衣服的那位女士一定是我们的英语老师。——不，不可能是她。她现在在办公室里呢。must be在肯定句中表示“猜测”。表示否定猜测用“can't”。根据句意可知选A。
5. C
二、6.Listen to 7.Don't talk 8.Don't write
9. Let me help you do it now
10. Does; have
三、11.fights 12.important 13.rules 14.sorry 15.dining
四、16.bring 17.important 18.outside 19.quiet 20.wearing
五、21.have to wear 22.think of 23.eat; classrooms
24. can; in music
25. can; dining
六、26.Yes, she does. 点拨：根据文中句子“At home, she must get up early for running.She has to make her bed.”可知Jerry必须整理床铺。
27. Five. 点拨：文中第一段讲述了五个规则Jerry认为是好的。
28. She must read a book. 点拨：根据第二段中“She must read a book after dinner and she can't talk with friends on WeChat.”可知答案。
29. On school days. 点拨：根据第二段中“On school days she has to wear the uniform”可知答案。
30. Because jeans are cool. 点拨：根据第二段中“But she likes jeans because she thinks they are cool.”可知答案。
Unit 4 Section A (Grammar Focus-3c)
Ⅰ. 用can, can't, have to 或 has to 填空。
1. We ____eat in class, because it's impolite (不礼貌的).
2. I ____ watch TV after I finish my homework.
3. I have too much work to do, so I ________go to bed late.
4. Tim ________look after his mother because she is ill(有病的).
5. The students ____ read magazines(杂志) in the library but they mustn't take them out of the library.
Ⅱ. 用括号内所给词的适当形式填空。
6. ______(not be) late for class.
7. He ______(have) to read English every morning.
8. Do you have to ______(wear) school uniforms every day?
9. Tony ______(not have) to go to school every day.
10. Please ______(be) quiet in the library.
Ⅲ. 单项选择。
11. ____play computer games. You have to take the piano lesson now.
A. Do B. Don't
C. Can't D. Can
12. Nancy can't go to the movies with us because she ____do her homework.
A. has to B. can
C. doesn't have to D. can't
13. —Do you have to run every morning?
—Yes, I____.
A. do B. can
C. may D. need
14. —Don't listen to music in the classroom.
—____.
A. Not at all B. Thanks
C. You're welcome D. Sorry
15. Jack doesn't get up early so he arrives late ____school.
A. with B. to
C. for D. of
Ⅳ. 句型转换。
16. I can watch TV after dinner every day. (改为一般疑问句)
____ ____ watch TV after dinner every day?
17. Bob can eat lunch at school. (改为否定句)
Bob ____ ____lunch at school.
18. You can't run in the classroom. (改为祈使句)
____ ____ in the classroom.
19. Listen to music in the hallway. (改为否定句)
____ ____ to music in the hallway.
20. Linda has to get up early. (改为一般疑问句)
____ Linda ____ ____get up early?
Ⅴ. 根据汉语意思完成句子， 每空一词。
21. ——我必须穿运动鞋吗， 爸爸？
——是的， 你必须穿。
—____ I ____ ____ wear sports shoes, Dad?
—Yes, you____.
22. 不要在教室里听音乐。
____ ____ ____ music in the classroom.
23. 你今天必须穿校服。
You ____ ____ ____ the school uniform today.
24. 你不能在教室里吃东西。
You ____ ____in the classroom.
25. 明天请把你的作业带到学校来。
Please ____your homework ____school tomorrow.
Ⅵ. 完形填空。
Liu Liping is a good student in our class. She's good at all her __26__. We all like her very much. She's very friendly to us, but sometimes I__27__she is not happy.
I ask her __28__ she isn't happy. At first, she says nothing. Later, she __29__ me that she can't stand(忍受) the rules in her __30__. She says she's just __31__ a bird in the cage(笼子). What rules does she have in her family?
First, she can't watch TV on school nights. Second, she __32__ to study for three hours every evening. Third, she can't play computer games __33__ go to the movies with her __34__ or friends on Saturdays and Sundays. She has some other rules in her family. I'm sorry I__35__ remember them.
26. A. sports B. languages C. subjects D. games
27. A. feel B. tell C. hope D. say
28. A. how B. when C. why D. what
29. A. says B. speaks C. tells D. talks
30. A. family B. school C. group D. class
31. A. through B. like C. with D. by
32. A. had B. have C. has D. having
33. A. but B. and C. or D. unless
34. A. teachers B. classmates C. parents D. friends
35. A. isn't B. am not C. can't D. needn't
Ⅶ. 任务型阅读。
School Rules of the Middle School
Do look clean and tidy.
_(1)_ at school by seven thirty.
Stay on the playground at break time (休息时间).
Stand up when a teacher comes into the classroom.
Do hand in your homework on time.
Be _(2)_in the library.
(3)Don't bring radios or CD players to school.
Don't run in the school buildings.
Don't talk loudly in the hallways.
Don't fight.
Don't talk to others in class.
Don't eat or drink in the classroom.
根据短文内容， 完成下列任务。
36. How many rules are there in this school?
________________________________________________________
37. Where are they at break time?
________________________________________________________
38. 在文中的(1)(2)处分别填上适当的单词。
(1)________________________________________________________
(2)________________________________________________________
39. 把(3)处的句子译成汉语。
________________________________________________________
________________________________________________________
40. When a teacher comes into the classroom, what should the students do?
________________________________________________________
答案
Ⅰ. 1. can't 2. can 3. have to 4. has to 5. can
Ⅱ. 6. Don't be 7. has 8. wear 9. doesn't have 10. be
Ⅲ. 11. B 点拨：根据后一句意思“你必须现在就上钢琴课”可知前一句为否定。故选B。
12. A 13. A
14. D 点拨：A项意为“不用谢”；B项意为“谢谢”；C项意为“不用 谢”；D项意为“对不起”。根据上一句“不要在教室里听音乐”，因此只有D符合。故选D。 15. C
Ⅳ. 16. Can you 17. can't eat
18. Don't run 19. Don't listen
20. Does; have to
Ⅴ. 21. Do; have to; do 22. Don't listen to
23. have to wear 24. can't eat
25. bring; to
Ⅵ. 26～30：CACCA 31～35：BCCBC
Ⅶ. 36. Twelve /12.
37. On the playground.
38. (1) Arrive (2) quiet
39. 不要把收音机或CD播放器带到学校。
40. They should stand up.
