江苏省南京市东山外国语国际学校高中英语 模块7 Unit5 Modal Verbs & Exaggeration课件 牛津.ppt
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1、Yes,I think I can drink up a river.Did you feel thirsty after such a long walk?2021/8/8 星期日1ContentsLooking AheadFurther DevelopmentApplying GrammarDiscovering GrammarExaggerationApproaching the TopicHomework2021/8/8 星期日2 Learn to use modal verbs correctly.Learn to form and use modal verbs+have done
2、 construction properly.Learn to use exaggerations to express strong emotions.Looking Ahead2021/8/8 星期日3Do the exercise on page 41.Key:2)3)1)5)4)Read the following passage.Underline the modal verbs and try to understand their meanings.Approaching the topic2021/8/8 星期日4 If you are planning on driving
3、in Europe,you should know that driving laws and customs change greatly from country to country.Be careful not to allow frustration with other drivers to develop into rude gestures in Germany:they are forbidden by the law.It may not be welcome to show your anger in Greece,either.You cannot honk your
4、horn too loudly there(although this may surprise many visitors to Athens!)2021/8/8 星期日5 In Luxemburg,the law says that drivers have to flash their lights each time the pass another car.Make sure of speed limits that change from one moment to the next.For example,in Austria,speed limits are lower at
5、night and in France,the speed limit on the freeways drops from 130km/h to 110 km/h when it rains.(And if the French police catch you speeding,you have to pay a considerable fine immediately!)But perhaps the strangest law of all is from Romania,where you must not drive your car if it is dirty.2021/8/
6、8 星期日6Complete the following table based on the passage above.Write down the sentences with modal verbs in the proper blanks.Discovering Grammar2021/8/8 星期日7FunctionsExamplesObligation The law says that drivers have to flash their lightsAbility I can sing English songs.Permission Prohibition You can
7、not honk your horn too loudly there.Deduction Mr.Black must be in the library now.Intention What would you like to do?2021/8/8 星期日81)We can speak English.2)Joan couldnt come yesterday because she was ill.3)Jack may not be at home.4)When you see this sign,you may walk across the street.Ability/possib
8、ility1.Functions2021/8/8 星期日91)Can I smoke here?2)Could I use your phone?3)You may stay here.4)You cant delay what you can do today till tomorrow.Permission/prohibition2021/8/8 星期日101)You should do what your teacher tells you to.2)You ought to see the doctor.3)I really must go back home.4)I had to l
9、eave at 7:00 yesterday.5)You mustnt talk to your mother like that.6)-Must I come here at 12:00?-Yes,you must./No,you neednt(dont have to).Obligation/necessity2021/8/8 星期日111)John cant be forty-he looks so young.2)Bob couldnt stay here for long.3)You may find him in the classroom.4)Linda must be stud
10、ying now.Deduction2021/8/8 星期日121)Lily would like her book back.2)I would like to know the data of the next meeting.3)Who will go with me?4)I will not do anything only for money.Willingness/intention2021/8/8 星期日13According to the examples above,summarize the functions of modal verbs in the following
11、 table.FunctionsModal verbsAbility/possibility can/could;may/mightPermission/prohibitioncan/could/cant/couldnt;may/might;must/mustntObligation/necessityshould/ought to/must/have to/neednt/mayDeduction can/cant/could/couldnt/may/mustWillingness/intention would/will2021/8/8 星期日141)I can move the heavy
12、 stone.(ability)2)Jim could not be in the literary now,go and look for him in the playground.()3)I must go at six oclock.()4)Linda must be in the street shopping now.()5)You may come here after seven.()6)Bob might have some fever.()7)You ought to see the doctor.()8)He neednt hurry.()deductionobligat
13、iondeductionpermissiondeductionobligationobligationIndicate in the brackets whether the modal verb in the given sentence expresses ability,permission,deduction,deduction or obligation.2021/8/8 星期日151)It is wet outside.It must have rained last night.(You are certain that something happened in the pas
14、t.)2)She is still coughing;she may not have taken the medicine in time.(You are certain that something did not happen in the past.)3)You could have caught the bus if you left 5 minutes earlier.(Something almost happened but didnt.)Examples and Explanations 2.Modal verbs+have done2021/8/8 星期日16 4)He
15、shouldnt have gone camping in such bad weather.Using should/shouldnt+have done to comment on a mistake that was made.5)We have an hour left so you neednt have hurried to the station.Using neednt+have done to indicate that what was done was not necessary.2021/8/8 星期日17补充材料1.使用may,could 和can 来表达可能性,征求
16、别人的意见时,may 比can 和could 稍正式些。而在答语中使用may 或can,不使用could。如:May I pay you a visit next Friday?Could we use our dictionaries?Can he go to school as usual?Could I borrow this book?Yes,of course you can.(不能用could)2021/8/8 星期日182.在表达猜测的意义时,情态动词语气的强弱顺序是这样的:might may could can must。但是,以上词语的用法并不是完全一致,需要注意以下几点:1
17、)can 与may 在表可能时意义相同,但它们不能随意互换:may 仅用于肯定句,而can 则可用于各种句式。如:He may be in the classroom.He can be in the classroom.He cannot be in the classroom,because I saw him enter the library.Can he be in the classroom?2021/8/8 星期日192)用must 表可能时不能用否定形式。如果要表达“绝对不可能”,只能用cant。mustnt 只用于表达禁止。如:Can I pay a visit to thi
18、s patient?No,you mustnt.He hasnt been out of danger.如果用must 表达责任义务提问时,否定回答不能用mustnt,而要用neednt 或者have to。如:Must I stay here until the boss come out?Yes,you must.(No,you neednt/dont have to.)2021/8/8 星期日20 We shouldshould do everything as quickly as possible!1.Today is mothers birthday,and the childre
19、n want to clean the kitchen to give her a surprise.Lily,the oldest girl,is the leader.Fill in the blanks with suitable modal verbs.Applying Grammar2021/8/8 星期日211)The bin is full.We _ empty it.2)The oven is dirty.Lucy,_ you please clean it?3)The skirt is not ironed.Tina,you _ iron it yourself.4)The
20、dishes are dirty.Linda,you _ be the best person to do it!5)The floor is dirty.Tom,you _do it because you are the strongest of all.6)The teapots and cups are not tidy.Freda,_ you put them away?We should do everything as quickly as possible!must/shouldcouldcan/should should/mustshouldcould2021/8/8 星期日
21、221)I am sorry I didnt get in touch with him before he left.I _ him earlier.A.Had telephoned B.have phoned C.should have phoned D.should be phoned2)They arent answering the telephone,they _.A.must have left B.should have left C.need have left D.can have left3)Mary_ my letter,otherwise she would have
22、 replied by now.A.has received B.ought to have received C.couldnt have received D.should have received2.Choose the correct answers to complete the sentencesCAC2021/8/8 星期日234)Carey didnt go to the party last night because she _ her sisters baby.A.must have looked after B.would have to look after C.h
23、ad to look after D.should have looked after5)Research shows that we spend about two hours dreaming every night,no matter what we _ during the day.A.should have done B.would have done C.may have done D.must have done6)Some women _ a good salary in a job instead of staying home,but they decided not to
24、 work for the sake of the family.A.would make B.must take C.could have made D.should have madeCCC2021/8/8 星期日241)我会说德语和汉语。I _ speak German and English.2)我必须在放学后留下来吗?不,你不必这样。-_ after class?-_,you _.3)他一定是生病了,否则他会准时来的。He _.4)你妈妈帮忙吗?Does your mother need help?5)你因该照顾你父母的话去做!You _ it as what your parent
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