初中英语九年级下册课件：module 4 unit 3 language in use

Must we obey the traffic rules?Must we obey the school rules?What do you think of their behaviors?What do you think of his behavior?Have you ever made such kind of paper by hand?Pay attention to the following sentences.1. You must be careful of falling stones.2. You mustnt walk too close to the edge of the hill path because you might fall and hurt yourselves.3. You should always wear proper clothes.4. Bears might think our rubbish is food.5. Can we go rock climbing?No, you cant.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. abca b c1. No smoking.2. No eating 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.defed f1. 表示能力表示一个人能做某事时，常用 can或 could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。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亮的图画。情态动词2. 表示可能性如果要表达 “可能，可能性 ”，可以用may/ might或 can/ could.e.g. Jane may be at home. 简可能在家。I might talk to him.我可能会跟他说说You can go to Beijing by train.你可以坐火车去北京。3. 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。Could / May I come a little later tomorrow? I dont feel myself.我明天可以晚到一会吗 ? 我觉得不太舒服。4. 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？Would you mind turning down the music?你能把声音关小点儿声吗？5. 表示建议和邀请表建议和邀请可用下列表达方式：Would you like (to) ?Shall we ?e.g. Would you like to play basketball?你想打篮球吗？Shall we go? 我们走吧？6. 表示意愿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。7. 表示应该、义务表示应该、义务等时常用 should, ought to, must.e.g. You should talk to your parents.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。8. 表示命令、禁止、不得不表示这类含义时，一般用 must, mustnt, have to等。e.g. You must study maths to be an engineer.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。You have to come early tomorrow.你明天得早到。9. 表示没必要做某事表示没必要做某事时，常用 neednt, dont have to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，你需要的时候我可以借给你。London Indoor Climbing CentreVisitors please note:Dos Check 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.Donts Dont climb without a rope. Dont eat or drink anywhere except in the restaurant. Dont listen to personal music players while climbing. Dont talk on a mobile phone while climbing.Answers:You must check in at the main gate when you come to the center.You must climb with someone.You must wear a hard hat at all times. You must wear the correct climbing shoes. You should wear comfortable clothes. You mustnt climb without a rope.You mustnt eat or drink anywhere except in the restaurant.You shouldnt listen to personal music players while climbing.You mustnt 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 music 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 into 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 too!touristskeepingalthough keep stream tourist worry Althoughstream1. You should _.2. You shouldnt _.3. You must _.4. You mustnt _.gun smooth sticks stone sudden tent whenever 1. Come and visit 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.wheneversticks 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