八年级英语下：Unit 8 Transportation Part 2重难点讲解北师大版

用心 爱心 专心 UnitUnit 8 8 TransportationTransportation 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 mustn t have to don t 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 the 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 mustn t 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 don t 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 mustn t park in spaces for disabled people You don t have to have a driver s license to ride a bicycle Read the following sentences You mustn t 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 mustn t give rides to other people You must check the brakes and the tires You have to obey all traffic signs and rules You mustn t 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 用心 爱心 专心 e g Give me a hand please Don t open the door Read and complete the leaflet with the headings from the box A Rules for motorcyclists B Rules 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 Don t drive after drinking Don t make phone calls while you are driving Always wear a helmet Use a light on the front and back of your motorcycle Don t 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 Don t try to do dangerous tricks on it Don t give rides to other people Learn basic cycling skills most importantly know how to stop safely Don t 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 Don t read when you are walking 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 places that are not official bus stops I don t 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 don t have to wear a uniform 用心 爱心 专心 When I go to the public library I leave my bicycle outside and I lock it Of course you don t have to lock your bike if you don t 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 don t have to wait at a red light Other drivers let the ambulance go through In my country you have to be seventeen to drive a car but you can t ride a small motorcycle at the age of sixteen To ride one of these motorcycles you don t have to have a driver s license In some cities in my country you must cross the street at the crosswalk I live in a small town and we don t have to do this We cross the street anywhere we like In my country the driver and the person sitting in the front passenger seat must wear seat belts That s the law The people in the back seat don t have to wear seat belts but of course it is a good idea 课堂练习 I 用 must mustn t 填空 1 You check that your bike is in good condition 2 You ride on the sidewalk 3 You obey traffic signs 4 You give rides to other people It s 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 Don t while you are driving 2 我们周日不必去上学 用心 爱心 专心 We go to school on Sundays 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