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2022九年级英语全册 Unit 7 Teenagers should be allowed to第三课时 Grammar Focus-4c作业课件(新版)人教新目标版.ppt

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1、第三课时 Grammar Focus4c单元语法清肯定句式主语情态动词be动词的过去分词(by.).Teenagers should be allowed to choose their own clothes.青少年应该被允许选择他们自己的服装。否定句式主语情态动词notbe动词的过去分词(by.).The little boy cant be allowed to stay at home alone.不能允许这个小男孩一个人在家。一般疑问句式情态动词主语be动词的过去分词(by.)?肯定回答:Yes,主语情态动词否定回答:No,主语情态动词not.【注意】对含must的一般疑问句作否定回

2、答时应用neednt/dont have to;而对含need的一般疑问句作肯定回答时应用must。Must all the rooms be tidied up?所有的房间都必须整理好吗?Yes,they must.是的,必须整理好。No,they neednt/dont have to.不,不必都整理好。Need he be operated on at once?他需要立即手术吗?Yes,he must.是的,他必须。No,he neednt.不,他不需要。特殊疑问句式(1)疑问副词/代词(不作主语)情态动词主语be动词的过去分词(by.)?(2)疑问代词(作主语)情态动词be动词的过去

3、分词(by.)?When can my computer be repaired?我的电脑什么时候能修好?【拓展】不能用被动语态的几种动词:不及物动词不能用于被动语态。如:die,happen,take place等。感官动词、半连系动词没有被动语态。如:feel,become,get,look,seem等。有些动词用主动形式表被动意义。eg:This pen writes well.这支钢笔很好写。【语法精练】一、单项选择。1.These flowers _ often in the park.Amust waterBmust be wateredCwaterDbe watered2.Pap

4、er shouldnt _ in everyday life.AwasteBwastedCbe wastedDis wasted3.Thanks to the Internet,different kinds of information _ in a short time.Acan be learnedBcan be learningCcan learnDcan have learnedBCA4.(2021湖北黄石)How long may I _ your magazine?For one week.But it mustnt _ to others.Aborrow;lendBkeep;b

5、e lentClend;be borrowedDhave;lend5.(2021湖北襄阳)This math problem _ in half an hour.Dont worry.Mr.Wang is good at math.He can make it.Ais working outBwould work outCshould be worked outDhas worked outBC6.(2021四川达州)Why do some whales have to _?Because humans catch whales for meat,fat and oil.Some of the

6、m are _.Aprotect;dangerousBprotect;endangeredCbe protected;dangerousDbe protected;endangeredD二、按要求完成下列句子。7The work must be done today.(改为一般疑问句)_ the work _ _ today?8We should speak to the old politely.(改为被动语态)The old should _ _ to politely by us.9Nobody can answer the question.(改为同义句)The question _

7、_ _ by anybody.Must be donebe spokencant be answered10The room might be cleaned every day(对画线部分提问)_ _ _ the room _ _11在动物园里不应该喂动物。(汉译英)Animals _ _ _ in the zoo.12有一天我们可能会造访更遥远的行星。(汉译英)Farther planets _ _ _ by us one day.How often might be cleaned?shouldnt be fedmay be visited三、根据短文内容及括号内所给提示词填空。The

8、MidHudson Childrens Museum is designed(设计)for families with youngchildren.Here are some important rules for visitors.Children 13._(must,follow)by an adult when visiting themuseum.Parents 14._(should,use)mobile phones less while visiting themuseum with their own children.Thats because children 15._(s

9、hould,take)good care of by adults.must be followed should useshould be takenYou 16._(can,take)photos of some exhibitions for personaluse.However,you 17._(not,allow)to touch them.Snacks 18._(may,bring)with you,but they 19._(must,eat)in the snack area.Bathrooms in the office areas 20._(can not,use)by

10、the public.There are public restrooms in the eastern corner of each floor.can take are not allowedmay be broughtmust be eatencant be used【课时精练】四、根据句意及括号内的提示填写单词。21I know what you mean,but I can _(应付)it by myself.22Jeff often does some volunteer work in the _(社区)every month.23In modern _(social),trav

11、eling is a very common thing.24Our teachers always encourage us _(share)our feelings after reading.25The teacher tried his best to help and _(education)the weak boy.managecommunitysocietyto shareeducate五、根据汉语意思完成下列句子。26读了这本书,你就会知道如何照顾你的猫。Read the book,and then you will know how to _ _ _ your cat.27你

12、最好让孩子们远离火。Youd better _ the children _ _ fire.28十二岁的孩子太小了,还不能骑共享单车。_ are _ young _ ride a shared bike.29请给我一个机会,我会给你一个惊喜。Please _ me _ _,and I will give you a wonderful surprise.30我认为青少年应该自己做决定。I think teenagers should _ _ _ _ _ _ _ _take care ofkeep away fromTwelveyearolds too togive a chancemake their own decisions/make decisions by themselves

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