八年级英语Book 14 Unit 8 Part 2北师大版知识精讲

1、初二英语初二英语 BookBook 1414 UnitUnit 8 8 PartPart 2 2 北师大版北师大版 【本讲教育信息本讲教育信息】 一. 教学内容： Book 14 Unit 8 Part 2 学会谈论禁止和必须的概念 二. 本周教学重点： 1. must, mustnt , have to, dont have to 的用法。 2. 祈使句表示禁止。 3. 重点词组的学习。 三. 具体内容： （一）1. must, have to 表示某事必须做，两者表达意思一样。 e.g. You have to ride on the right. = You must ride on t

2、he right. 2. 但在问句中，have to 更常见。 e.g. Do you have to drive on the right side of the road? 3. mustnt 表示做某事是错误的或违法的，没有选择的余地，意为“禁止” 。而 dont have to 表达做某事不是必须的，我们可以选择，意为“不必” 。 e.g. You mustnt park in spaces for disabled people. You dont have to have a drivers license to ride a bicycle. Read the following

3、 sentences. You mustnt ride on the sidewalk. You have to know how to stop safely! You must always remember to lock your bike. You have to wear light-colored clothes. You must give way to pedestrians. You have to have lights on your bike. You mustnt give rides to other people. You must check the brak

4、es and the tires. You have to obey all traffic signs and rules. You mustnt do tricks on your bike. You must wear a helmet. （二）祈使句表示禁止。 省略主语，以动词原形开始的句子叫祈使句。 e.g. Give me a hand, please. Dont open the door. Read and complete the leaflet with the headings from the box. A. Rules for motorcyclists B. Rul

5、es for cyclist C. Rules for pedestrians D. Rules for drivers Always wear a seat belt. Follow all traffic signs and rules. Be aware of pedestrians at the crosswalk. Drive according to the speed limit. Dont drive after drinking. Dont make phone calls while you are driving. Always wear a helmet. Use a

6、light on the front and back of your motorcycle. Dont ride on the sidewalk. Check that your motorcycle is in good condition before riding it. Remember to obey traffic laws. Check your brakes and tires often. Dont try to do dangerous tricks on it. Dont give rides to other people. Learn basic cycling s

7、kills most importantly, know how to stop safely! Dont ride on the sidewalk. Lock it when you leave it in a public place. Walk on the sidewalk. Walk on the right side of the street when there is no sidewalk. Cross the street at the crosswalk. Pay attention to traffic lights. Dont read when you are wa

8、lking in the street. Match each road user with what he/she says. A motorcyclist, a car driver, an ambulance driver, a bus driver, a cyclist, a pedestrian, a taxi driver “Along my route, there are ten official stops. I have to stop at these places. Sometimes passengers want to get on the bus at other

9、 places that are not official bus stops. I dont have to stop for these people, but sometimes I do.” “I work for a company called Speedy Cab. All our taxis are the same color blue, but we dont have to wear a uniform.” “When I go to the public library, I leave my bicycle outside, and I lock it. Of cou

10、rse, you dont have to lock your bike if you dont want to, but I always do.” “Sometimes, in an emergency, I have to drive very quickly to take a person to the hospital. At these times, I dont have to wait at a red light. Other drivers let the ambulance go through.” “In my country, you have to be seve

11、nteen to drive a car, but you cant ride a small motorcycle at the age of sixteen. To ride one of these motorcycles, you dont have to have a drivers license.” “In some cities in my country, you must cross the street at the crosswalk. I live in a small town, and we dont have to do this. We cross the s

12、treet anywhere we like.” “In my country, the driver and the person sitting in the front passenger seat must wear seat belts. Thats the law. The people in the back seat dont have to wear seat belts, but , of course, it is a good idea.” 课堂练习： I. 用 must, mustnt 填空。 1. You _ check that your bike is in g

13、ood condition. 2. You _ ride on the sidewalk. 3. You _ obey traffic signs. 4. You _ give rides to other people. Its dangerous. 5. You _ to know how to stop safely. 6. You _ give way to pedestrians. II. 完成句子。 1. 开车时不要打电话。 Dont_ _ while you are driving. 2. 我们周日不必去上学。 We _ _ _ go to school on Sundays.

14、3. 你不必打车去。 You _ _ _ take a taxi. 4. 红灯亮时，你必须停车。 When the traffic lights _, _, you _ _ your car. 5. 在环路上开车时，不必等交通灯。 When you drive along the ring-roads, you _ _ _ wait for the traffic lights. 6. 不要在街上踢球，很危险。 You _ _ _ in the street. Its dangerous. 7. 他的妈妈病了，他得在家照顾她。 His mother is ill. He _ _ look af

15、ter her at home. 答案请同学们见名师面授！答案请同学们见名师面授！ 【模拟试题模拟试题】 （答题时间：20 分钟） I. 用 must，have to 和 mustnt 的正确形式填空。 1. To buy a ticket, you _ line up at this window. 2. To get to the train, you _ put your ticket in this machine here. 3. Dont stand close to the tracks. You _ stand behind this yellow line. 4. You _

16、 take animals on the subway. Its against the rules. 5. You _ give rides to other people. Its dangerous. II. 完成句子。 1. 过马路时要走斑马线。 When you _ _ _, you _ _ cross it at a zebra crossing. 2. 他妈妈病了，他得在家照顾她。 His mother is ill. He _ _ look after her at home. 3. 每个司机都要有驾驶执照。 Every driver _ _ a drivers license. 4. 不准在街上踢球，很危险。 You _ _ _ in the street . It is dangerous. 5. 在路上开车时，一定要等交通灯。 When you drive along the road, you _ _ for the traffic lights to change. 6. 红灯亮时，一定要停车。 When the traffic lights _ _, you _ _ your car. 7. 他感冒了，他必须休息。 He has a b