Unit2 Keeping HealthyTopic2 I must ask him to give up smokingSection B smoke Whats he doing？ He is .What do you think of smoking？smokingIts bad for our health/lungs.You may cough day and night.Your teeth will become yellow. Discussion: Flash Task 1 1a Look, listen and say Answer the following questions: (1) Why does Marias father smoke? (2) What do you think Marias father should do?Because he thinks smoking can help him relax.He should (had better) give up smoking. I must ask him to give up smoking. must “必須,一定”,情態(tài)動(dòng)詞,后加動(dòng)詞原形構(gòu)成謂語(yǔ). mustnt “禁止,不準(zhǔn),一定不要”.多用于上級(jí)對(duì)下級(jí)的要求,或是某種文明規(guī)定,規(guī)章制度,表明了說(shuō)話人或規(guī)章制度的權(quán)威性.ask sb. (not) to do sth.give up doing sth.=stop doing sth.=I must ask him to stop smoking.=I must ask him not to smoke.You must give up drinking.You must stop drinking. Dont drink, please.You mustnt drink too much.You had better not drink.Would you mind not drinking?Would you please not drink? 7 Practice 1a with your partner and act it out . Assessment 8 Task 2 1b2b Practice 9 You must You mustnt/Dont stay up late at night. read in the sun. wash your hands before meals. do morning exercises. throw litter about. brush your teeth twice a day. 10 School regulations You must keep quiet in the library. Dont/You mustnt walk on the lawn. 11 Task 3 Group work 12 Are these healthy habits? 2a Enjoy the flash Retell 2a after reading it.Breakfast .energyGoing .without.is bad.Walking.andnecessaryDrink enough.Waterbed and early .keep.active during Fill in the blanks with must/mustnt/dont You _ wash your hands before meals. You _ take pets to school with you. You _ throw litter about. Put it into the dustbin.4. _ park near the school buildings.pet dustbinmustmustntmustntDon t Choose the best answers: 1.You must give up _. Its bad for your health. A. to smoke B. smoke C. smoking D. smokes 2. Throwing litter about is a bad habit. You had better _. A. to give up it B. to give it up C. giving it up D. give it up 3. Tom fell tired. The doctor asked him _ too long. A. to work B. doesnt work C. works D. not to work 4. _ eat that fish. Its bad. A. Dont B. Do C. Is D. Isnt 5. You are so careless. You _ more careful next time. A. must are B. mustnt are C. must be D. mustnt be C DDA C 17 You must You mustnt/Dont listen to the teacher talk in class carefully in class do exercise after class eat anything in class 18 Consolidation&homework Recite 1a Make a poster about the school regulations