仁爱英语八年级.pptx
仁爱英语八年级仁爱英语八年级2 2Enjoy the song第1页/共25页第2页/共25页4 4Look at the pictures and make Look at the pictures and make sentences.sentences.You must do morningexercises.第3页/共25页You must not throw litter around.第4页/共25页You must put litter into the dustbin.第5页/共25页You must not stay up late at night.第6页/共25页8 8You must brush your teeth twice a day.第7页/共25页You must not readin the sun.第8页/共25页1010You mustYou must stay up late at stay up late at night.night.read read in in the the sun.sun.wash your wash your hands before hands before meals.meals.do morning do morning exercisesexercises.throw litter around.brush your teeth twice a day.You mustnt/DontYou mustnt/Dont第9页/共25页Are these healthy habits?Listen and answer（影片影片2）第10页/共25页Using must or mustnt第11页/共25页smokeWhats 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.It may cause cancer.第12页/共25页Listen and answer the following questions.（录音1）(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.第13页/共25页1515Section B1aLook,listen and say（影片影片1）Maria:Wang Junfeng:Maria:Hi,Wang Junfeng!You must not read in the sun.What are you reading?Im reading an article in the newspaper about smoking.Does your father smoke,Maria?Yes,he thinks smoking can help him relax.第14页/共25页1616Wang Junfeng:Maria:Wang Junfeng:Maria:Wang Junfeng:But,you know,smoking is bad for his health.Yes,his teeth are yellow and he often coughs.Thats too bad.Look,the article says smoking is bad for our lungs.It may cause cancer.Oh!How terrible!I must ask him to give up smoking.May I borrow your newspaper and show it to my father?Sure.第15页/共25页1717I must ask him to give up smoking.must“必须必须,一一定定”,情态动词情态动词,后加动词原形构成谓语后加动词原形构成谓语.mustnt“禁止禁止,不准不准,一定不要一定不要”.多用于上级对下级的要求多用于上级对下级的要求,或是某种文明规定或是某种文明规定,规章制度规章制度,表明了说话人或规章制度的权威性表明了说话人或规章制度的权威性.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.第16页/共25页1818 Practice 1a with your partner and act it out.Assessment 第17页/共25页Fill in the blanks with must/mustnt/dont1.You _ wash your hands before meals.2.You _ take pets to school with you.3.You _ throw litter about.Put it into the dustbin.4._ park near the school buildings.mustmustntmustntDont第18页/共25页2020Choose the best answers:1.You must give up _.Its bad for your health.1.You must give up _.Its bad for your health.A.to smoke B.smoke C.smoking D.smokesA.to smoke B.smoke C.smoking D.smokes2.Throwing litter about is a bad habit.You had better _.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 upA.to give up it B.to give it up C.giving it up D.give it up3.Tom fell tired.The doctor asked him _ too long.3.Tom fell tired.The doctor asked him _ too long.A.to work B.doesnt work C.works D.not to workA.to work B.doesnt work C.works D.not to work4._ eat that fish.Its bad.4._ eat that fish.Its bad.A.Dont B.Do C.Is D.IsntA.Dont B.Do C.Is D.Isnt5.You are so careless.You _ more careful next time.5.You are so careless.You _ more careful next time.A.must are B.mustnt are C.must be D.mustnt beA.must are B.mustnt are C.must be D.mustnt be CDDAC第19页/共25页2121School regulationsYou must keep quiet in the library.Dont/You mustnt walk on the lawn.第20页/共25页2222 listen to the teacher talk in classlisten to the teacher talk in class carefully in class carefully in class do exercise after class eat anything in class do exercise after class eat anything in class You mustnt/DontYou mustnt/DontYou mustYou must第21页/共25页2323SummaryMaster the use of“must”and“must not”for necessity.2.Go on talking about how to cultivate good habits to keep healthy.第22页/共25页Homework1.Recite 1a2.Make sentences using“must”or“mustnt”3.Make a poster about the school regulations第23页/共25页Thanks for Thanks for listening!listening!Goodbye!Goodbye!第24页/共25页策划：学生双语报策划：学生双语报2626感谢您的观看！感谢您的观看！第25页/共25页
