Module11Unit3语法课件2022-2023学年外研版八年级英语上册.pptx（纯ppt,可能不含音视频素材）

1、Module 11 Way of lifeUnit 3 Language in useLearning Objectives1.Curriculum words:experience,stay,sandwich,gentleman,shoulder，cap,chess,set,chopstick,toy,gift,surprise,difference,tradition,example,2.Useful expressions:at a age of；on the right-hand side of；be late for；clean up；once a week；wash up；stay

2、 out；play music；stay up；use sth.to do sth；look up；cant wait to do sth；back-to-front；make mistakes3.Functions：can&must&need 4.Grammar：can&must&need 5.Sentences：1.You must say Mr.or Mrs.when you meet someone for the first time.2.You can take it away.3.You mustnt break anything.4.You neednt wait!1.You

3、must say Mr.or Mrs.when you meet someone for the first time.2.You can take it away.3.You mustnt break anything.4.You neednt wait!5.You can open it!6.You mustnt do any cleaning on the first day of the Spring Festival.7.When you get to know each other better or when they ask you to,you can just use th

4、eir first names.8.You can buy it and eat it in special fish and chip shops on the high street.9.At the bus stop,you must not push your way onto the bus.must 表示表示“必须，一定要必须，一定要”，可用于，可用于肯定句、否定句和疑问句肯定句、否定句和疑问句。表。表示示说话者的主观看法，认为有必要或有义务做某事说话者的主观看法，认为有必要或有义务做某事。否定形式否定形式 must not(mustnt)表示表示“不能不能”或或“禁止禁止”的意思

5、。的意思。You must use red paper for hongbao because red means luck.你必须用红纸做红包，因为红色代表幸运。你必须用红纸做红包，因为红色代表幸运。In my home town,people say you mustnt do any cleaning on the first day of the Spring Festival.在我的家乡，据说大年初一不能打扫卫生。在我的家乡，据说大年初一不能打扫卫生。must-Must I come before 6:30 tomorrow?明天我必须在六点半之前来吗？明天我必须在六点半之前来吗？-

6、Yes,you must.是的，你必须在那之前到。是的，你必须在那之前到。(表示表示一定要一定要)-No,you neednt.不，你不必在那之前来。不，你不必在那之前来。(表示表示没必要没必要，相当于，相当于 You dont have to.)must的一般疑问句的构成及其回答的一般疑问句的构成及其回答:can 表示表示“许可，可以许可，可以”，表示请求，和，表示请求，和could同义，可用于同义，可用于肯定句、否定句和疑问句肯定句、否定句和疑问句。否定形式否定形式 cannot(cant)表示表示“不能，不可不能，不可以以”，语气弱于，语气弱于 must not(mustnt)。You

7、cant put the milk in first.你不能先倒牛奶。你不能先倒牛奶。(没有禁止的含义没有禁止的含义)can When you get to know each other better or when they ask you to,you can just use their first names.当你们更加熟悉或他们请你当你们更加熟悉或他们请你(这样做这样做)时，你就可以只称呼他们时，你就可以只称呼他们的名字。的名字。Can I have a look at your photo?我可以看一下你的照片吗？我可以看一下你的照片吗？请注意：本模块所学的请注意：本模块所学的

8、can 与以前我们所学的与以前我们所学的 can 意义不同意义不同，以前我们所学的以前我们所学的 can 表示表示“能力能力”，这里表示，这里表示“允许允许”。-Can we go home now,please?请问我们现在能回家吗？请问我们现在能回家吗？-Yes,you can.可以。可以。(表示表示允许允许)-No,you cant.不行。不行。(表示表示不允许不允许)can的一般疑问句的构成及其回答的一般疑问句的构成及其回答:need 作情态动词表示作情态动词表示“需要需要”，可用于，可用于肯肯定句、否定句和疑问句定句、否定句和疑问句。否定形式否定形式 need not(neednt)

9、比较常用，表比较常用，表示示“不需要不需要”或或“不必要不必要”。needIf she wants anything,she need only ask.如果她要什么，说一下就行了。如果她要什么，说一下就行了。You neednt wait.你不必等待。你不必等待。请注意，请注意，need 也可以也可以作行为动词作行为动词，表示表示“需要需要”，常用于，常用于 need to do sth.结构。结构。I need to clean the house.我需要把房子打扫一下。我需要把房子打扫一下。You dont need to leave now.你没必要现在走。你没必要现在走。need的一

10、般疑问句的构成及其回答的一般疑问句的构成及其回答:-Need I report it to the police?我要向警方报告这件事吗？我要向警方报告这件事吗？-Yes,you must.是的，你必须报告。是的，你必须报告。(表示表示必须做必须做)-No,you neednt.不，没必要。不，没必要。(表示表示没必要没必要)All passengers must wear seat belts.所有乘客都所有乘客都要要系安全带。系安全带。My bike was broken yesterday,so I had to walk to school.昨天我的自行车坏了，所以我昨天我的自行车坏了

11、，所以我只能只能走路去学校。走路去学校。musthave to 同同表示表示“必须必须”异异侧重侧重说话者的主观看说话者的主观看法法，认为，认为有必要，有有必要，有义务去做某事义务去做某事侧重于侧重于客观需要客观需要，有，有“被迫；不得不被迫；不得不”之意之意否定形式否定形式含义含义 mustmust not/mustnt一定不要，不允许一定不要，不允许 have todo not/dont have to(=neednt)不必不必 You mustnt tell him about it.你你绝对不要绝对不要告诉他这件事。（可能是秘密）告诉他这件事。（可能是秘密）You dont have

12、to tell him about it.你你不必不必告诉他这件事。告诉他这件事。（他可能知道了或者没有必要让他知道）（他可能知道了或者没有必要让他知道）用用can,cant,must,mustnt或或neednt 填空完填空完成句子。成句子。1.You _ listen to your teacher carefully in class.2.We _ cross the road when the traffic is busy.3.You _ finish all of the work today.You can finish it tomorrow.4.I _ draw pictur

13、es,but I really want to learn.5.You _ eat food here or you _ go somewhere else.mustmustnt/cant neednt cant can can用情态动词用情态动词can,need,must或或have to 的适当形式填空的适当形式填空1The driver must be hurt badly in the accident.Thats true.Lets send him to the hospital as soon as possible.2I missed the train,so I had to

14、 take a taxi.3 With this new lock,you needt search for keys in your bag any more.Isnt it cool?4 That cant be an alientheres no such thing!5You can cross the road when the traffic light is green.（）1.Could I borrow your dictionary?Yes，of course you _.A.might B.will C.can D.should一、单项选择。CExercise（）2.Yo

15、u _ return the book now.You can keep it till next week if you like.A.cant B.mustnt C.neednt D.may not（）3.Johnny，you _ play with the knife，or you _ hurt yourself.A.wont；cant B.mustnt；may C.shouldnt；must D.cant；shouldntCB（）4.May I pick a flower in the garden?_.We should take care of the flowers and tr

16、ees.A.No，you neednt B.No，please C.No，you mustnt D.No，you wont（）5.Must I drive to his house and pick up the children?No，_.A.you shouldnt B.you might not C.you neednt D.you mustntCCExercise（）6.You had better _ the car.It doesnt run well.A.use B.not use C.not to use D.using（）7.Dont worry.Its nothing se

17、rious at all and you _ take any medicine.A.cant B.shouldnt C.mustnt D.needntBDExercise（）8.You _ keep quiet when you are in a library.A.may B.can C.will D.must（）9.Who is the man over there?Is it Mr Li?No，it _ be him.Mr Li is much taller.A.mustnt B.may not C.cant D.needntDCExercise（）10._ your brother speak French?Yes，he has learnt it in Paris for three years.A.Should B.Can C.Must D.MayB