2017六年级英语上册Unit7Rulesroundus3牛津上海(一起)

Unit7 Rules round us同步教案课本单词1. rule n. 规则2. wait for 等待3. enter v. 进入4. loud adj. 大声的5. loudly adv. 大声地6. mean v. 表示......的意思7. lift n. 电梯8. escalator n. 自动扶梯9. on the left 在左边10. on the right 在右边11. centre n. 中心；中央12. exit n. 出口13. upstairs adv. 向楼上；在楼上14. middle n. 中间；中央15. in the middle 在中间16. chase v. 追赶I. Important words and phrases:Words:1. _____________ n. 规则The driver broke the traffic rule, 司机违反了交通规则【记忆链接】：_____________n.统治者，尺子2. _____________ v. 等待_____________ 等待某人_____________ n. 男侍者_____________ n. 女侍者3. _____________ v.进入_____________ n. 入口enter for 报名参加Danny entered for the school choir. 丹尼报名参加了学校合唱队友情提示：enter 本来就有go/come into的意思，因此在表示“进入某个地方”时，千万不能与into连用4. _____________ adv.大声地loud adj.大声的That lady always speaks very loudly. 那位太太总是大声地说话。

I heard a loud door bell when I was cooking. 当我做饭时，我听到一阵响亮的门铃声。

⽜津上海版六年级上册英语Unit7Rulesroundus Unit7 Rules round us同步教案课本单词1. rule n. 规则2. wait for 等待3. enter v. 进⼊4. loud adj. ⼤声的5. loudly adv. ⼤声地6. mean v. 表⽰......的意思7. lift n. 电梯8. escalator n. ⾃动扶梯9. on the left 在左边10. on the right 在右边11. centre n. 中⼼；中央12. exit n. 出⼝13. upstairs adv. 向楼上；在楼上14. middle n. 中间；中央15. in the middle 在中间16. chase v. 追赶I. Important words and phrases:Words:1. _____________ n. 规则The driver broke the traffic rule, 司机违反了交通规则【记忆链接】：_____________n.统治者，尺⼦2. _____________ v. 等待_____________ 等待某⼈_____________ n. 男侍者_____________ n. ⼥侍者3. _____________ v.进⼊_____________ n. ⼊⼝enter for 报名参加Danny entered for the school choir. 丹尼报名参加了学校合唱队友情提⽰：enter 本来就有go/come into的意思，因此在表⽰“进⼊某个地⽅”时，千万不能与into连⽤4. _____________ adv.⼤声地loud adj.⼤声的That lady always speaks very loudly. 那位太太总是⼤声地说话。

I heard a loud door bell when I was cooking. 当我做饭时，我听到⼀阵响亮的门铃声。

Unit 7 Rules round usExercise OneI. Fill in the blanks with the given words or phonetic symbols1. We have _______ /ruːlz/ in the library.2. We must not _______ /liːv/ rubbish.3. We must ______ /weɪt/ for the green light.4. We must not ______/pɪk/ up flowers.II. Choose the right answer.( ) 1. Which of the following underlined parts is different in pronunciation from others?A. You should drink less.B. Health is better than wealth.C. One must eat to live.D. The window opens to the west. ( ) 2. We must not flowers in the park.A. pickB. pickingC. pick upD. picking up( ) 3. We have rules home, the classroom and the road.A. at, in, inB. at, in, onC. in, in, onD. in, at, on( ) 4. We must our classroom tidy and clean.A. keepB. letC. makeD. clear( ) 5. We must follow all the rules us.A. betweenB. nearC. besideD. round( ) 6. We must keep ______ in the reading room.A. quiteB. quietC. noiseD. noisy( )7. We must not _____ on the grass.A. to walkB. walkingC. walkD. walk to( )8. Students must _____ the teachers carefully.A. listenB. listeningC. to listenD. listen toIII. Fill in the blanks with words in their proper forms.1.We must not run ______ the road. (cross)2.We have a lot of ______ in the library. (rule)3.Students should keep _____ in the classroom. (quietly)4.I will ______ for you at the school gate. (waiting)5.We ______ eat or drink in the movie theatre. (must)IV. Rewrite the sentences as required.1. We have rules in our school. (改为一般疑问句)you rules in your school?2. We can find this sign in school. (对划线部分提问)you this sign?3. We must eat and drink in the classroom.(改为否定句)We _______ eat ______ drink in the classroom.4. We have rules in the park. (对划线部分提问)________ ________ we have rules?5. school, signs, in, there, are, some, our. （连词成句）___________________________________.V. Complete the following passage with the words or phrases in the box. Each can only be used onceA. howB. littleC. goodD. whatE. rulesMy name is Emily Brown. I am a middle school student. We have some __1__ at school and at home. We can’t get to school late. We have to finish our homework. We can’t stay out __2__ school nights. Some students think these rules are __3__, and they don’t like them. But I can’t agree with them. I think these rules can help us a lot. If we don’t obey (遵守) them, __4__ can we do well in our studies? Everyone needs some rules. Do you think so?1. _________2. _________3. _________4. _________VI. Reading comprehensionPostmen have friends that they meet every day. It may be a dog, or it may be a girl or a boy. He or she always says hello to the postmen. Henry is postman. He has a bird as a friend.Every morning when Henry walks down Hill Street with the mail, the bird is waiting in a tree. As soon as the bird sees him, it flies down and sits on Henry's shoulder(肩膀). It sits there when he walks down the street and puts the letters into the mailboxes(邮箱). Then it flies back to the tree and waits there because Henry will come again the next day.( ) 1. Henry's friend is a _________.A. dogB. boyC. birdD. cat( ) 2. Henry's friend waits for him ________.A. in a treeB. in a cageC.on the streetD. on the mailbox( ) 3. The bird in the story _________.A. cannot flyB.can readC. can sing songsD. sits on Henry's shoulder ( ) 4. The same thing happens ________.A. only two daysB. every other dayC. every dayD. the next day and no more ( ) 5. The best title is _________.A. A Beautiful BirdB. A Postman's FriendC. A Strange BirdD. HenryUnit 7 Rules round usExercise TwoI. Fill in the blanks with the given words or phonetic symbols1. What does this ______ /saɪn/ mean?2. We can find it in the ______/'laɪbrərɪ/.3. Don’t _____ /klaɪm/ the trees.4. ______ /tɜːn/ right at the next corner.5. She met an old friend on the ______/rəʊd/.II. Choose the right answer.( ) 1. What does this word ?A. meansB. meaningC. meanD. to mean( ) 2. “No bicycles” means “You ride bicycles here.”A. canB. can’tC. doD. don’t( ) 3. Look out, the red light is on. cross the road!A. Can’tB. Don’tC. PleaseD. Do( ) 4. We must keep and walk out of the room.A. quiet, quietB. quietly, quietlyC. quiet, quietlyD. quietly, quiet ( ) 5. –Where can we find the sign: “Don’t turn light!”?–A. In the classroom.B. At home.C. On the road.D. In a park. ( ) 6. Cross the road. Walk _______!A. quietB. quietlyC. quickD. quickly( ) 7. Mrs.Black is _______ the road.A. acrossingB. crossingC. to crossD. to across( ) 8. The _____ means we can’t turn left there.A. ruleB. pictureC. signD. storyIII. Fill in the blanks with words in their proper forms.1.It means people don’t ______ (entrance).2.We must keep the traffic ______ on the road. (rule)3.No ______ here!(smoke)4.Some people never ______ home. (leave)5.What are you ______ about? (talk)IV. Rewrite the sentences as required.1. Close the door. (改为否定句)the door.2. She must make her bed by herself. (改为一般疑问句)she her bed by herself?3. Don’t walk on the grass. (原意不变，句子改写)You walk on the grass.4. You can find the sign in the park.(对划线部分提问)______ ______ can we find the sign?5. library, in, talk, mustn’t, you, loudly, the.(连词成句)___________________________________.V. Complete the following passage with the words or phrases in the box. Each can only be used onceA. slowB. middleC. rightD. leftE. bothPeople make traffic rules to keep order of the road. Every year thousands of people died or got hurt（受伤）on the road in China. Please remember: Keep to the ____ on the road.There are rules to make the roads safe.◆If you like riding a bike, don’t ride in the __4__ of the road. When you ride a bike with a friend, don’t look around to talk.◆If you drive, you should s__5__ down at the traffic lights. You must always wear a seat belt (安全带).◆If you walk across the road, stop to look b__6__ ways. Look to the left first, then the right. Don’t run across the road. If the road is clear, it’s safe to cross it.1. _________2. _________3. _________4. _________VI. Reading comprehension"Where is John?" the English teacher asked the whole class. " He has went to the hospital, " answered Bob.The teacher became angry. "Bob," he said, " I have told you again and again not to say‘He has went ’. Now you have made t he mistake again. Today you must write ‘He has gone’fifty times after school. Perhaps you will remember it."Soon the lessons were over. The other children all went home but Bob stayed behind and took his punishment. The teacher said "Goodbye" to the class and left the classroom. About an hour later, the teacher came back and found a note from Bob. It said:Dear Sir:I have written " He has gone" fifty times, and now I have went home. Yours,Bob1.Who answered the teacher's question in class?____________________________________________.2.Why did the teacher become angry?____________________________________________.3.What was Bob's mistake?____________________________________________.4.What did the teacher ask Bob to do？____________________________________________.5.Where was Bob when the other children went home?____________________________________________.Unit 7 Rules round usExercise ThreeI. Fill in the blanks with the given words or phonetic symbols1.I’ll take an ________ /'eskəleɪtə/.2.I saw him going ______ /ʌp'steəz/ ahead of me.3.We must use the one on the ______ /'mɪd(ə)l/.4.Which ______ /lɪft/ must we use?5.Where must we leave our _______ /'baɪsɪklz/II. Choose the right answer.( ) 1. We must leave our bicycles ________the right.A. toB. onC. atD. in ( ) 2. Don’t _______ football on the playground.A. playingB. playC. playsD. played ( ) 3. ________ the left escalator, please.A. UseB. LookC. PlayD. Do ( ) 4. Please don’t ________the hall when you are late.A. comeB. enter intoC. enterD. into ( ) 5. Where _______ we ________ bikes in your school?A. must, parkB. do, must parkC. do, need parkD. have, park( ) 6. The Friends of the Earth tells us ______ rubbish everywhere.A. pickB. not to pickC. to leaveD. not to leave( ) 7. Tom, ______ climb the trees in the park.A. doesn’tB. can’tC. don’tD. mustn’t ( ) 8. ______the escalator on the left, please.A. UseB. ByC. DoD. Play III. Fill in the blanks with words in their proper forms.1.Don’t draw on the desk. That’s the _____ of our school. (ruler)2.All of us must keep ______ in the library. (quietly)3.He is ______ across the road. (run)4.As a student of our school, you must ______ rules. (follow)5.We are ______ the centre. Which door must we use? (enter)IV. Rewrite the sentences as required.1. Don’t talk loudly in the library. (原意不变，句子改写)________ _______ talk loudly in the library.2. Samuel Han took the left lift. (对划线部分提问)________ ________ ________ Samuel Han take?3. The boy is running after his dog. (原意不变，句子改写)The boy is ______ his dog.4. He is walking across the road. (原意不变，句子改写)He is ________ the road.5. cross, the, road, can, you, the, when, light, is, green, traffic.(连词成句)_____________________________________________.V. Complete the following passage with the words or phrases in the box. Each can only be used onceA. skinB. put onC. got out ofD. wavedE. felther mom if she could go for a swim. Her mom said, “Yes.”Ana ___1__ her swimsuit. She went outside to the pool. Ana put her big toe in the water. The water felt cold. Ana jumped into the pool. She made a big splash. The water felt good. Ana __2___ to her Mom. Her Mom waved back. Ana swam from side to side in the pool. With her feet, she made big kicks andlittle kicks. Ana ___3___ the pool. She let the hot sun dry her __4____ and swimsuit. She went back into the house.1. _________2. _________3. _________4. _________VI. Reading comprehensionMr and Mrs.White had four children. One Sunday morning Mrs. White said to her husband, "the children haven't got any lessons today, and you're free too. There is a funfair in the park near our home. Let's go there together.""OK!" said Mr. White.So Mr. and Mrs. White took their children to the funfair. Mr. White was forty-five years old, but he enjoyed the funfair more than the children. He hurried from one thing to another, and ate lots of sweets.One of the children said to her mother, " daddy is just like a small child,isn't he, Mummy?"Mrs. White was quite tired by now. She didn't want to follow her husband around, and she answered, "He's worse than a small child, Alice, because he's got his own money.( ) 1. How many people were there in Mr. White's family?A. FourB. FiveC. SixD. Seven( ) 2. Who enjoyed the funfair best?A. Mrs. WhiteB. Mr. WhiteC. Their childrenD. One of the children( ) 3. Mrs. White _______ follow her husband around at last.A. was glad atB. was pleased withC. was surprised atD. didn't like to( ) 4. What's one of their children's name?A. BettyB. AliceC. JohnD. Mary( ) 5. Mr. White is a ________man.A. funnyB. cleverC. richD. strongUnit 7 Rules round usExercise FourI. Fill in the blanks with the given words or phonetic symbols.1.We must not ______/tʃeɪs/ each other.2.We must not be ______ /leɪt/ for school.3.This is an ______/'eksɪt/ to the underground station.4.There is something wrong with the lift on the left. We must use the one onthe _______.[raɪt]5.Please don't ______ /'entə/ the hall when you are late.II. Choose the right answer.( ) 1. Kitty often draws pictures the desk.A. byB. onC. atD. for( ) 2. We must around the classroom.A. not runB. don’t runC. not runningD. aren’t running( ) 3. Please speak English an English class.A. onB. atC. forD. in( ) 4. Please me carefully.A. listenB. hearC. listen toD. hear to( ) 5. do we have rules?A. WhichB. How aboutC. WhatD. Where( ) 6. Boys and girls, if you want to ask some questions, you must _______ your hands.A. put onB. put inC. put outD. put up( ) 7. You mustn’t _______rules.A. keepB. haveC. doD. break( ) 8. Which bicycle can I use? ________ on the left.A. OneB. OnesC. The onesD. The oneIII. Fill in the blanks with words in their proper forms.1.What's the _____ of this sign? (mean)2.My mother usually _______ to music of that kind. (listen)3.___________ the center now. (not enter)4.He is running _______ the road. (cross)5.We mustn't talk ______ in the cinema. (loud)IV. Rewrite the sentences as required.1. The sign on the left means “stop”. (对划线部分提问)_______ ______ the sign on the left ______?_______ the_______ of the sign on the left?2. We must not chase each other in the classroom. (对划线部分提问)_______ ________we ________ ?3. The pen on the desk is Mike’s. (对划线部分提问）______ pen is on the desk?4.My books are in the middle. (对划线部分提问）______ ______ your books?e, the, wall, paint, we, to, black, brush, the. (连词成句）__________________________________________V. Complete the following passage with the words or phrases in the box. Each can only be used onceA. popularB. liftC. decideD. nothingE. foundMr. black and Mr. white were two famous artists in a city. They painted many beautiful pictures and their pictures were very ___1___ in the city. But they tried to see who could paint better.One day they asked an old man to __2___ who was the number one artist by their pictures. Mr. Black painted an apple tree. Soon the birds came and tried to eat the apples.Then they went to Mr. White’s house. There was ___3___ but a red beautiful curtain on the wall. The old man tried to ___4___ the curtain, but he found it was a picture by Mr. White.1. _________2. _________3. _________4. _________VI. Reading comprehensionMartin is going to town. He is going to see a friend of his. Now he is walking to the bus stop.There are some workmen near the bus stop. They are digging a hole in the ground. It is lunch time. They put down their tools and put up a "Danger" sign. Then they walk away.Martin is waiting for the bus. He sees a blind man walking towards the hole. The blind man is holding a red-and-white stick. He is tapping(轻敲）the ground with his stick. He cannot see the sign or the hole."Stop!" Martin shouts. He runs to the blind man. "There is a big hole in front of you," he tells the man. He takes the man's arm and leads him safely round the hole."Thank you," the man says to Martin. "I am going to town. Please tell me when bus number one comes.""I am going to town, too," Martin says. " We can go together. Ah, here comes the bus." Martin leads the man to the bus. They get onto the bus."You are a very kind boy," the blind man says.1.What is Martin going to town for?He is going to __________________________.2.When does the story happen?It happens at ___________________________.3.What does Martin see when he is at the bus stop?He _______________ walking towards the hole.4.What does Martin do then?He______________ to go around the hole safely.Unit 7 Rules round usExercise FiveI. Fill in the blanks with the given words or phonetic symbols1. We ______ /mʌst/ leave now.2. Look at the _______ /'notɪsbɔrd/.3. Someone talked ______/'laʊdlɪ/ in the classroom.4. The man in the ______ /'mɪd(ə)l/ is my English teacher, Mr. John.5. You can see this _____/saɪn/ on the road.II. Choose the right answer.( ) 1. She was late school yesterday.A. forB. atC. inD. by ( ) 2. We must wait the green man when we cross the road.A. atB. inC. forD. on ( ) 3. Look out! The bus is coming! cross the road!A. Don’tB. Can’tC. DoD. Can ( ) 4. We rules in the park and in many places.A. there areB. hasC. areD. have ( ) 5. – What does this sign mean？– It : Don’t eat or drink.A. meanB. meansC. meaningD. to mean ( ) 6. It takes her fifteen minutes _______ the lift to the top floor.A. to takeB. to haveC. takeD. Have ( ) 7. ----Which book should I buy? ---- You should buy _______ on the shelf.A. one bookB. the oneC. a bookD. one ( ) 8. We must obey all the rules around us.A. keepB. breakC. HaveD. leave III. Fill in the blanks with words in their proper forms.1. We mustn’t ______ right here. (turn)2. Look! My cousin __________ for us in front of the door. (wait)3. Where ______ Louis usually ________ the bicycle? (leave)4. Their classroom is bigger than ______ (we)5. Do you know the ________ of this word? (mean)IV. Rewrite the sentences as required.1. We must keep our school clean. (改为一般疑问句)_______ we _______ our school clean?2. Don’t play football here. (原意不变，句子改写)________ ________ play football here.3. We must use the escalator in the middle. (对划线部分提问)________ _________ must we use?4. Don’t leave rubbish on the ground. (保持原意)You ________ _______ rubbish on the ground.5. We can find the signs in the school. (对划线部分提问)________ ______ we find the signs?V. Complete the following passage with the words or phrases in the box. Each can only be used onceA. friendsB. alsoC. notD. look afterE. thickSheepdogs are very big dogs. They grow to be two feet tall. They can weigh up to 100 ounds.Sheepdogs have a lot of fur(皮毛). Their fur is ___1___ .The fur is white or gray. The fur covers their eyes. Sheepdogs need to be brushed just about everyday.Sheepdogs are working dogs. Sheepdogs like to help __2___ other animals. Sheepdogs help take care of sheep. Sheepdogs do what they are told to do. Sheepdogs like to run a lot but __3___ when it is hot.Sheepdogs can also be good ___4___ to a family. Sheepdogs are very fun and smart. Sheepdogs can also do tricks. Would you like to have a sheepdog? 1. _________ 2. _________ 3. _________ 4. _________VI. Reading comprehensionA man wants to visit his friend. His friend's house is far away from his. He leaves his home at 9 o'clock in the morning. On his way he sees a bag of apples on the ground. Hw throws (扔）them away into the grass, because he thinks his friend will give him nice food to eat. He goes on and on, then he comes to a river. The river is very big. He can not go over it because there are not any boats. He has to go back. It's about 12 o'clock. He feels tired and hungry. He looks for the apples in the grass. He finds them and eats them quickly.( ) 1.What is the man going to do?A. He wants to see his friend.B. He wants to have some applesC. He wants to see his friend's houseD. He wants to have nice food to eat.( ) 2.His friend's house is ________.A. near his houseB. in front of hisC. beside his houseD. far away from his( ) 3. He goes to his friend's house _______.A. by boatB. on footC. by ferryD. by bus( ) 4. The story tells us " _________"A. Don't throw good things awayB. Don't walk to your friend's houseC. Don't visit your friendD. Don't live far away from your friendSupplementary exercise 6AU7一、语言知识配套练习Phonetics, Vocabulary and GrammarI. Look at the phonetic transcriptions and complete the sentences. (看音标，完成下列句子)1. The students are talking _____________ /'laʊdlɪ/ in the cinema.2. __________ /tʃeɪsɪŋ/ each other in the classroom is dangerous.3. Don’t _________ /'entə/ the room.4. We will build a much bigger shopping _________ /'sentə/ in Nanqiao in the future.5. We can use the left ________ /'lɪft/ to go ____________ /ʌp'steəz/II. Complete the sentences with the proper forms of the given words （用所给单词的适当形式填空）1.Students mustn’t talk ______ in the reading room. (loud)2.We must not run _______ the road. (cross)3.There are a lot of green _______ and grass in the school garden. (tree)4.You can come into the supermarket through this _________. (enter)5.Can you tell me the _______ of this English word? (mean)6.We have _______ in the park, on the road and many other places. (rule) III. Complete the sentences with proper words. The first letters are given. (用适当的单词完成句子，首字母已给)1.Those children always like running a________ the road on their way toschool.2.All of us must keep q________ in the library.3.Don’t draw on the desk. That’s the r _______ of our school.4.We mustn’t c_______ each other in the classroom because it’s dangerous.5. Look at the photo. I’m standing in the m__________.IV. Translate the following sentences into English (将下列句子翻译成中文) 1. 这个标志是什么意思？(meaning)______________________________________________________________________________2. 我们必须等绿灯。

牛津上海版英语六年级上册《Unit 7 Rules round us》优秀教学设计一. 教材分析《牛津上海版英语六年级上册》Unit 7的主题是“Rules round us”，主要让学生学习日常生活中的一些规则，如学校规则、家庭规则等。

通过本单元的学习，学生能够掌握相关的词汇和句型，运用所学知识进行简单的交流和讨论。

本节课的内容与学生的生活息息相关，有利于激发学生的学习兴趣和积极性。

二. 学情分析六年级的学生已经具备了一定的英语基础，能够听、说、读、写一些简单的英语句子。

在学习过程中，他们善于模仿和模仿，对于有趣、生动的教学活动较为感兴趣。

此外，学生在生活中已经接触过一些规则，对于本节课的主题有一定的了解，这有利于教学的开展。

三. 教学目标1.知识目标：学生能够掌握本节课所学的词汇和句型，了解日常生活中的一些规则。

2.能力目标：学生能够用英语进行简单的交流和讨论，提高口语表达能力。

3.情感目标：学生能够自觉遵守规则，培养良好的学习和生活习惯。

四. 教学重难点1.重点：学生能够掌握本节课所学的词汇和句型，运用所学知识进行简单的交流和讨论。

2.难点：学生能够用英语表达一些日常生活中的规则，并在实际情境中运用。

五. 教学方法1.情境教学法：通过设定各种情境，让学生在实际环境中运用英语，提高口语表达能力。

2.交际法：引导学生进行小组讨论和交流，培养学生合作学习的能力。

3.任务型教学法：通过完成各种任务，让学生在实践中掌握英语知识。

六. 教学准备1.教学课件：制作与本节课内容相关的课件，包括图片、视频等。

2.教学素材：准备一些与规则相关的真实场景图片和案例，用于教学展示和讨论。

3.作业布置：提前为学生布置相关的作业，以便巩固所学知识。

七. 教学过程1.导入（5分钟）通过播放一段关于日常生活中规则的短片，引起学生的兴趣，然后询问学生：“Can you guess what we are going to learn today?”，引导学生进入本节课的主题。

2.规则和标记3.我们在哪里有规则？4.没有规则5.在教室里6.在图书馆，7.一些图书馆8.一个图书管理员9.在路上10.在公园里11.在草地上12.不允许乱扔垃圾13.不允许吃喝14.必须等着绿灯15.等我16.我们必须保持安静。

18.认真地听老师的话19.不允许在我们的课桌上画画20.跑着穿过马路21.过马路22.采花23.捡垃圾24.不要大声说话25. 我们不允许大声说话。

响亮的，大声的响亮地，大声地他们经常响亮地读书。

26.不要向左拐。

27. 不要进入。

请在入口处等我。

28.标记A什么意思？29.我们能在那里找到它？30.在购物中心31. 在一部电梯里在一部自动扶梯上乘电梯34.进入中心报名参加（活动，比赛）她报名参加了校合唱队。

35.在右边36.在你右边37.使用在左边的一个38.上楼/ 下楼我们必须使用哪部行人电梯？40.中间的那部（电梯）41.在。

的中间42.我们有哪些班级规则？43.违反班级规则44.遵守规则45.互相追逐46.我们不允许上学迟到。

47.在课上听老师48我们必须使用哪扇门？49.我们必须做什么？50.这意味着我们不可以向左转。

不要开车进入这条街。

53.upstairs adv. 在楼上，向楼上downstairs 在楼下，向楼下54.出口在左边。

55.此处禁止吸烟。

56.告诉某人不要做某事这个标志告诉我们不要在班级大喊大叫。

一．情态动词must的用法：(1)情态动词，意为“必须”，可用于肯定句、否定句或疑问句。

We must find a good way to learn English well.我们必须找一个学好英语的好方法。

(2)must 的否定式是must not/mustn’t,意思是“禁止”。

如：You mustn’t play soccer in the street.你们不能在大街上踢球。

(3)由must引出的一般疑问句，肯定回答用must,否定回答用needn’t//don't need to // don't haveto.但不能用mustn’t。