必修3unit2HealthyeatingGrammar.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit 2,Healthy,eating,modal verbs,crab,shrimp,mutton,roast duck,Do you want to be so charming?,Warming up,Health is the biggest wealth,.,What should/shouldnt we do to keep healthy?,What,kind of food must we eat to be strong?,What,ought we to eat to stay slim?,1.“_ you walk without my help?”Father asked his little,son.,2.He _ be married,but Im not,sure.,3.Marys score on the test is the highest in her class.She _ have studied very hard.,.,Can,may/might,Lead-in:,Fill in the blanks and talk about their functions.,must,(ability),(possibility),(guessing),4.,As students,we _ study hard.,5,.,We _ help him to solve the problem if he asks us to.,6,.,I _ have you do that again.,should,will,wont,(duty),(promise),(intention),Learning:,Task 1.Read,the text,and,find out,the sentences containing,modal verbs,and explain the,functions of,the modal verbs.,1.By lunchtime they,would,all be sold.,2.His restaurant,ought to,be full of people.,3.,I,will,help you lose weight and be fit in two weeks.,4.,Perhaps,he,should,go to the library to find out.,5.,He,couldnt,have Yong,Hui,getting away with telling people lies.,6.They,would,become,tired,very quickly,.,Intention B.Duty C.Promise,D,.,Possibility,(,D,),(,D,),(,B,),(,A,),(,D,),(,C,),Task 2,.,Choose,suitable modal verbs below to complete the following dialogues.,ought/oughtnt to should/shouldnt,mustnt neednt (dont)have to will can/cant,1.Sam,:How can I grow thinner,Mum?,Mum:Well,you _ eat food with,plenty of,fibre,that helps you,digest better.And you _ stop,drinking cola or eating sweet food.,have to,should,Sam:Does it mean I _ eat my,favourite,fried chicken any more?,Mum:Not exactly,if you love fried,chicken,you _ give it up.,Just eat it less often.You,_,worry too much:a little fried,chicken _ do you good!,shouldnt,neednt,dont have to/neednt/shouldnt,will,2.Doctor,:You are sick because youve,eaten poisonous mushrooms.,Where did you get them?,Lucy:I picked them in the forest.I know,we _ eat fresh vegetables.,Doctor:Oh,but you _ eat them,until youre sure they are not,poisonous.,Lucy:Thank you,doctor.Ill be more,careful next time.,have to,mustnt,3.Charles,:I wish I could see things,clearly in the dark.,Tom:Eating carrots _ help,you see better.You _ eat,some every,day.,ought to,should,Summing up,the usage of ought to,When you are trying to,advise,someone about what to do or what not to do,you can use,should/ought to,or,should not/ought not to,.,Ought to,is stronger than,should,in tone.,the usage of have to,When you want to say that it is,necessary,for someone to do something,you can use,must,.Must can be only used in,present,tense and,future,tense.The negative form of must is mustnt which means,禁止,.You can use,have to,when someone else thinks it is necessary or there seems to be no other choice.Have to can be used in,any,tense.The negative form of have to is,not have to,which means,neednt.,Exercises:,I.Please choose a proper phrase and according to the situations.,1.(Lisa needs a change.)She _.,2.(My salary is very low.)You_.,3.(Nick always has difficulty getting up).He _,4.(What a beautiful view!)You _.,5.(Susan drives everywhere.She never walk)She _.,6.(Billy,s room isn,t very interesting.)He _.,1.should/ought to take a few days off,2.shouldnt/ought not to go to bed so late,3.should put some painting on the walls,4.should look for a new job,5.should take a photo,6.shouldnt/ought not to use her car so much,II.Group work:Use modal verbs in your dialogue.(give some hints),Possible questions are:,1.Do you know what you have to do when you borrow books from the library?,2.Do you know what to to do when you teeth ache?,3.Do you know what to do if you need to meet someone you dont know at the airport?,4.Do you know what to do if you want to get a discount in a shop?,5.Do you know what you should do when you meet the hostess in your friends home?,Consolidation,Choose the best answers:,1.,As he had heart attack,he was told that he,_ continue the work.A.neednt B.may not C.mustnt,D.cant,2.,We ought to help each other in our work,_?,A.oughtnt we,B.should we,C.shouldnt we,D.ought to we,3.,Two eyes _see more than one.,A.can,B.may,C.will,D.should,4.,When I got to the cinema,the film had already,started;I_ there earlier.,A.ought to get,B.ought to have got,C.must have got,D.must get,B,A,A,C,5.,I thought you _like something to read,so,I have brought you some books.,A.may B.might C.would D.must,6.,Where is my pen?I _it.,A.might lose B.would have lost,C.should have lost D.must have lost,7.,I didnt hear the phone.I _asleep,A.must be B.must have been,C.should be D.should have been,B,D,B,8.,-There were already five people in the car,but they managed to take me as well.,-It _a comfortable journey,A.cant be B.shouldnt be,C.mustnt have been D.couldnt have been,9.,Its nearly seven oclock.Jack _be here at,any moment.,A.must B.need C.should D.could,D,C,10.,-Did the train arrive in time?,-No.It _ two hours ago.,A.must have arrived,B.ought to have arrived,C.must arrive,D.ought to arrive,11.,-Must I drive to his house and pick up the,children?,-No,.,A.you shouldnt,B.you might not,C.you neednt,D.you mustnt,B,C,12.,We didnt see Tom at the meeting yesterday.,He,it.,A.mustnt have attended,B.cannot have attended,C.neednt have attended,D.would have not attended,B,13.,There is someone knocking at the door.,it be Tom?,A.Can B.Must C.Should D.Ought to,A,14.,You _ take me to the station,and my brother is taking me.,A.dont have to B.mustnt,C.cant D.shouldnt,15.,Must I hand in the homework now?,_.You can hand it in tomorrow morning.,A.Yes,you must B.No,you neednt,C.Yes,you need D.No,you mustnt,A,B,