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1、Must we obey the school rules?What do you think of their behaviors?What do you think of his behavior?1. No smoking.2. No eating or drinking.3. Children crossing.4. Danger! Be careful of falling rocs.5. Children should be taken care of by parents.6. Do not drink and drive.abcabc1. No smoking.2. No ea
2、ting or drinking.3. Children crossing.4. Danger! Be careful of falling rocks.5. Children should be taken care of by parents.6. Do not drink and drive.defedf1. 表示能力表示能力 表示一个人能做某事时，常用表示一个人能做某事时，常用can或或could表达。表达。 e.g. As soon as Mike could read, he read books about robots. 迈克刚能看懂书，就看关于机器人的书。迈克刚能看懂书，就看
3、关于机器人的书。 My five-year-old daughter can draw a beautiful picture in five minutes. 我五岁的女儿能在五分钟之内画出一幅漂我五岁的女儿能在五分钟之内画出一幅漂 亮的图画。亮的图画。情态动词情态动词2. 表示可能性表示可能性 如果要表达如果要表达“可能，可能性可能，可能性”，可以用，可以用may/ might或或 can/ could. e.g. Jane may be at home. 简可能在家。简可能在家。 I might talk to him. 我可能会跟他说说我可能会跟他说说 You can go to Be
4、ijing by train. 你可以坐火车去北京。你可以坐火车去北京。3. 表示许可或征求对方许可表示许可或征求对方许可 如果表达允许某人做某事，或征求对方的如果表达允许某人做某事，或征求对方的许可，可以用许可，可以用can/could/may/might。 e.g. You can / may start your work now. 你现在可以开始工作了。你现在可以开始工作了。 Could / May I come a little later tomorrow? I dont feel myself. 我明天可以晚到一会吗我明天可以晚到一会吗? 我觉得不太舒我觉得不太舒 服。服。4.
5、表示请求对方做某事表示请求对方做某事 如果要请求对方做某事，可以用下列表达方如果要请求对方做某事，可以用下列表达方式：式： Will / Would / Could you (please) ? Would you mind ? e.g. Would you please help me with this suitcase? 你可以帮我拿这个手提箱吗？你可以帮我拿这个手提箱吗？ Would you mind turning down the music? 你能把声音关小点儿声吗？你能把声音关小点儿声吗？5. 表示建议和邀请表示建议和邀请 表建议和邀请可用下列表达方式：表建议和邀请可用下列表达
6、方式： Would you like (to) ? Shall we ? e.g. Would you like to play basketball? 你想打篮球吗？你想打篮球吗？ Shall we go? 我们走吧？我们走吧？6. 表示意愿表示意愿 表示想做某事可以用表示想做某事可以用would like/ love to e.g. Id like to be a scientist. 我想成为科学家。我想成为科学家。7. 表示应该、义务表示应该、义务 表示应该、义务等时常用表示应该、义务等时常用should, ought to, must. e.g. You should talk to
7、 your parents. 你应该跟你父母谈谈。你应该跟你父母谈谈。 I ought to train more to improve my skill. 我应该多训练来提高技巧。我应该多训练来提高技巧。8. 表示命令、禁止、不得不表示命令、禁止、不得不 表示这类含义时，一般用表示这类含义时，一般用must, mustnt, have to等。等。 e.g. You must study maths to be an engineer. 要当工程师，你必须学数学。要当工程师，你必须学数学。 You mustnt tell it to anyone. 你不许把这件事告诉任何人。你不许把这件事告
8、诉任何人。 You have to come early tomorrow. 你明天得早到。你明天得早到。9. 表示没必要做某事表示没必要做某事 表示没必要做某事时，常用表示没必要做某事时，常用neednt, dont have to等。等。 e.g. You dont have to worry about money. I can lend you some in time of need. 你不用担心钱，你需要的时候我你不用担心钱，你需要的时候我 可以借给你。可以借给你。London Indoor Climbing CentreVisitors please note:DosCheck
9、in at the main gate when you come to the center.Climb with someone.Wear a hard hat at all times.Wear the correct climbing shoes.Wear comfortable clothes.DontsDont climb without a rope.Dont eat or drink anywhere except in the restaurant.Dont listen to personal music players while climbing.Dont talk o
10、n a mobile phone while climbing.Answers:You must check in at the main gate when you come to the center.You should climb with someone.You must wear a hard hat at all times. You must wear the correct climbing shoes. You must wear comfortable clothes. You mustnt climb without a rope.You mustnt eat or d
11、rink anywhere except in the restaurant.You shouldnt listen to personal music players while climbing.You shouldnt talk on a mobile phone while climbing.1. Why must you climb with someone?2. Why must you wear comfortable clothes?3. Why mustnt you climb without a rope?4. Why shouldnt you listen to musi
12、c while climbing?Why must you check in when you come to the centre?Because they want to know who is there.although keep stream tourist worry People are very (1) _ about the conditions of the ancient forests of Canada and want to save them. Many visitors to the forests use knives to cut their names i
13、nto the trees, some of which are hundreds of years old. worried(2) _ there are litter bins, people still throw rubbish into the (3) _ and this causes plants and fish to die. People from local villages have helped clean up the forests. We hope (4) _ will play their part in (5) _ Canadas forests clean
14、 too!touristskeepingalthough keep stream tourist worry Althoughstream1. You should _.2. You shouldnt _ _.3. You must _.4. You mustnt _ _.help clean up the foresttake your rubbish homestreamsthrow rubbish into thecut your names into thetreesgun smooth sticks stone sudden tent whenever 1. Come and vis
15、it me _ you have time.2. The wall is made of _.3. The path to the top is not very _.4. Remember to take a _ with you to sleep in, because it might rain.wheneverstone smooth tent 5. He lifted up the _ and pointed it at the bear.6. There was a _ noise in the woods and we all stopped moving.7. Birds us
16、e small _ and leaves to make a home.gunsudden sticksgun, smooth, sticks, stone sudden, tent, whenever 1. Is Zhang Wenpengs school a green one? Yes, it is.2. What should we do when we leave a room? We should turn off the light.1. What does Zhang Wenpeng try say with his drawing? Pollution is causing
17、damage to the progress weve made.2. What does Zhou Zhiyun try to say with his painting? People must not waste electricity.3. What does the school suggest the students should do? Students should pass on what they have learnt at school to their parents and neighbours.4. How can a school become a “gree
18、n school”? A school can become a “green school” by including education about the environment in the timetable.1. The first thing you have to do is to _ carefully.2. Think about where _ and whether there are _.3. You should only take marked _.plan the workyou are going to walkclearly marked pathspath
19、s4. Make sure you know where _ for lunch.5. Dont forget to tell people to _ for the picnic.6. Dont walk when it is _ or in _.7. You must not try out a _ with a group.you can stopbring foodtoo hotvery bad weathernew walkEcotourism Ecotourism is also known as “responsible tourism”. It means you visit
20、places without damaging the environment. Many countries around the world have started ecotourism holidays and trips. Tourists help the local communities look after their natural environment. Here are some rules of ecotourism.Dos Take rubbish away with you. Walk on paths or roads. Take photos but not
21、hing else.Donts Dont pick flowers or damage trees. Dont pollute rivers or streams. Dont make open fires in the forests. visiting someones home eating and drinking travelling on public transport behaving politely in public visiting tourist sightsYou must You mustnt You should You shouldnt 1. Must I h
22、and in my homework now, Mr. Smith? No, you _. A. cant B. shouldnt C. wouldnt D. neednt2. Excuse me, may I keep the book a little longer? Sorry. You _ return it today. A. must B. mustnt C. can D. cant3. Is the man over there Mr. Brown? It _ him. He has gone to Brazil. A. may not B. cant be C. shouldn
23、t D. mustnt 4. Children _ sit in the front seat of a car. Its too dangerous. A. need B. neednt C. must D. mustnt1. Must I water the flowers now, mum? No, you _. You _ do it later. A. mustnt; must B. mustnt; may C. neednt; may D. neednt; must2. _ I know by what time you want the project to be done? B
24、y the day after tomorrow. _ you finish it on time? A. May; Can B. Must; Need C. Could; Must D. Need; Would3. Whos singing in the garden? It _ be Mr. Brown. He always practices singing at this time. A. must B. cant C. need4. I _ follow you. Would you please repeat it? A. cant B. mustnt C. neednt D. shouldnt 制作一个海报，宣传环保学校的做法。制作一个海报，宣传环保学校的做法。
