(课件网) Unit 2 Keeping Healthy Topic2 I must ask him to give up smoking Section D （仁爱科普版）八年级 上 Learning objectives 1 Review Pre-reading 3 While-reading Post-reading 5 Project Summary 7 Assessment 2 4 6 8 Homework 9 1 Learning objectives After learning this lesson, you can: Learn some new words and expressions; Review words and useful expressions in this topic; Know more about the harm of smoking; Talk about how to keep healthy, using modal verbs properly. Modal Verbs (Ⅱ): must/mustn’t; may; can You _____ throw litter around. He thinks smoking _____ help him relax. It _____ even cause cancer. I _____ ask him to give up smoking. _____ I borrow your newspaper and show it to my father can May mustn’t must can 2 Review Who is the Best can Helen can sing and dance. can 表示能力，意为“能，会”。 Can I ask you some question can 表示请求或者许可，意为“可以”。 表示可能性，意为“可能”。 Anything can happen. The news can’t be true 注意：表示对可能性的否定，无论是否有依据，语气是否肯定，一律都用“can’t be”意为“不可能”。 Let's learn! 2 Review may You may keep the book for a week. May I watch TV after supper 表示请求或许可，意为“可以”，多用于肯定句或疑问句中 My father may get to Hong Kong tomorrow. 表示估计，推测，意为“也许，可能”，语气最弱，多用于肯定句 Let's learn! 2 Review must We must follow the school rules. Must I finish the work before Friday？ must表示义务，主观看法或劝告，意为“必须，一定”，可用于肯定句和疑问句 The light is on. He must be at home. must表示有把握的推测，意为“一定，准是”，用于肯定句。 You must not turn right. must not (mustn’t)否定形式表示不许，禁止，意为“一定不要，千万别” 2 Review Let's learn! _____ up late is bad for your health. How terrible! It’s _____ for your health. Don’t read ____ the sun. It will keep you _____ during the day. in Staying good Functions active 2 Review We should/had better take showers often. What should we do to keep healthy 3 Pre-reading should/shouldn’t had better/had better not can/can’t must/ mustn’t Make sentences We should/had better wash the hands before meals. What should we do to keep healthy should/shouldn’t had better/had better not can/can’t must/ mustn’t 3 Pre-reading Make sentences What should we do to keep healthy should/shouldn’t had better/had better not can/can’t must/ mustn’t We should/had better/ can often open the window to keep the air fresh. 3 Pre-reading Make sentences We can’t/mustn’t drink sour milk. What should we do to keep healthy should/shouldn’t had better/had better not can/can’t must/ mustn’t 3 Pre-reading Make sentences What should we do to keep healthy should/shouldn’t had better/had better not can/can’t must/ mustn’t We should/had better/can/must tidy our rooms and often sweep the floor. 3 Pre-reading Make sentences What should we do to keep healthy should/shouldn’t had better/had better not can/can’t must/ mustn’t We can’t/mustn’t spit in public. 3 Pre-listening M ... ...
