2024七年级英语下册 Unit 7 AbilitiesPeriod 3 Grammar课件 牛津译林版.ppt

1、Period 3 GrammarUnit 7 AbilitiesA Using can,could and may 1 We use can or could to talk about ability.We use can to talk about present ability and use could to talk about ability in the past.Millie can speak good English.Shirley cannot ride a horse.The old man could swim across the Yangtze River.TIP

2、 We write cannot as one word.2 We use can,could or may to ask for permission.Could sounds more polite than can.May is formal.Can I borrow your bike,Millie?Yes,you can.Here you are.Could I smoke here?Sorry,Im afraid you cant.May I use your mobile phone?Of course you may.TIP We can also use be able to

3、 to talk about ability.A trip to South Hill The students are going to South Hill.Amy is talking to Mr Wu about the trip.Complete their conversation with can,could or may.Amy:(1)_ I take my cousin Shirley with us,Mr Wu?Can/May/CouldMr Wu:Yes,you(2)_.But well get there by bike.(3)_ she ride a bike?Amy

4、:Yes,she(4)_.South Hill is a good place to have fun.(5)_ we go camping there?Mr Wu:Im afraid you(6)_.Amy:I see.(7)_ I make a call on your mobile?I left mine at home.can/mayCancanCan/Could cantMayMr Wu:Of course you(8)_.By the way,(9)_you take your camera with you,Amy?Amy:No problem.温馨提示：此符号表示“考点精讲点拨

5、”链接。maycan/couldB Using What and How to express strong feelings We use What.!or How.!in a short phrase to express strong feelings about someone or something.How dangerous!What a brave man!We make sentences with What.!and How.!like this:Noun phraseWhata beautiful flower(it is)!beautiful flowers(they

6、are)!an interesting idea(he has)!interesting ideas(you have)!nice music(it is)!AdjectiveHowbeautiful(the flower is)!beautiful(the flowers are)!interesting(his idea is)!interesting(your ideas are)!nice(the music is)!TIP We use a noun phrase after What to form an exclamation.We use an adjective after

7、How to form an exclamation.What can Superman do?Millie is asking Simon what he knows about Superman.Help Millie complete the conversation with What and How.Millie:What can Superman do,Simon?Simon:Superman can see through walls.Millie:(1)_ amazing!His eyes are just like X-rays.Simon:Yes.He can also b

8、urn things with his eyes.HowMillie:(2)_ special eyes he has!How about his ears?Simon:He can hear things far away.Millie:(3)_ strange!What else can he do?Simon:He can stop a train with his hands.Millie:(4)_ strong he is!Can he fly?Simon:Yes.He can fly as fast as light.Millie:(5)_ a wonderful man!What

9、HowHowWhat By the way,(9)_ you take your camera with you,Amy?by the way 顺便问一下，顺便说说e.g.Whats the time,by the way?顺便问一句，几点钟了？By the way,I found that book you were looking for.顺便提一下，我找到了你在寻找的那本书。考点1口语中的常用语。通常用作插入语，表示说话人要转入一个新话题。与way 相关的短语还有：all the way 自始至终on ones way to 在某人去的路上lose ones way 迷路in the w

10、ay 挡道in no way 决不；没门返回温馨提示:可返回原文 No problem.No problem.没问题。考点2 no problem 可以用在不同场合：当表示愿意相助或事情容易做时可以说no problem，意思是“没问题”；回答别人的道谢或道歉时，也可以说no problem，意思是“不客气，没关系”。e.g.Could you help me carry the bag?Its so heavy.你能帮我拿一下那个包吗？它太沉了。No problem!没问题！Thank you very much.非常感谢你。No problem.不客气。Im sorry to have k

11、ept you waiting.对不起，让你久等了。No problem.没关系。考题：Mary cant make the model plane.Can you help her?_.Im good at it.A.Thats the problem B.No,not usuallyC.Sure,no problem D.Thanks so muchC这就是问题所在不，通常不会当然，没问题太感谢了返回can，could，may 的用法can，could，may 的用法can表示请求、许可。常用于一般疑问句，相当于may。表示能力。可以与be able to 互换。表示怀疑、猜测。主要用于否

12、定句和一般疑问句。can，could，may的用法could表示“能力”或“可能性”，作为can 的过去形式。表示委婉客气地提出问题或陈述看法。表示惊异、怀疑、不相信等情绪。may表示请求或许可。表示可能性不大的推测，用于肯定句。表示祝福和愿望，常用于比较正式的场合或书面语中。can，could，may的用法用法归纳can 和could 表示能力can 意为“能，会”，用来谈论某人现在的能力；could 是can 的过去式，用来谈论某人过去的能力。can 谈论能力时，其同义词组为be able to。can，could，may的用法用法归纳can,could 和may表示请求或许可could

13、表示一种委婉的语气，比can 更有礼貌，常用于问句中，其回答不能用could，只能用can。may 比can 更正式。can 和may 表示推测can 表示推测时，常用于否定句，cant 意为“不可能”；may 表示没有把握的推测，意为“可能”。小贴士：情态动词本身有一定的意义，但它们没有人称和数的变化，需和动词一起构成句子的谓语，表示说话者的情感、态度和语气。1 e.g.I couldnt understand his words last year,but now I can.去年我还不能理解他的话,但现在我能理解了。考题1：河北 If we _ find a better way,wel

14、l finish the job faster.A.can B.cant C.must D.mustnt【点拨】考查情态动词辨析。根据句中的“find a better way”和“well finish the job faster”可知，用can 表示“能力”。A考题2：温州 Thomas,where are my postcards?I _ find them.Theyre on the bookshelf.A.cant B.neednt C.mustnt D.shouldnt【点拨】cant 不能；neednt 不必；mustnt 禁止；shouldnt 不应该。根据“where ar

15、e my postcards”及“I _ find them”可知，不能找到明信片。A返回2 e.g.He cant speak French.他不会讲法语。You can/will be able to pass theexam tomorrow.明天你能通过考试。返回3 e.g.Could I borrow your ruler?我可以借你的尺子吗？Yes,you can./Sorry,you cant.是的，你可以。/对不起，你不可以。考题3：怀化 _ I join the volunteer program on weekends?Of course you can.A.Can B.M

16、ust C.Should【点拨】根据答语“Of course you can”可知用can 提问，表示请求许可。A考题4：福建 Its such a long way!Dont worry.You _ share a ride with me.A.must B.can C.should【点拨】由上句“这是一条很长的路！”以及“别担心。”可知，此处应表达“你可以与我共乘一程”。表示允许。B考题5：达州 Jack,could you please help me take out the trash?Sorry,_,Mom.I _ my homework now.A.couldnt;am doin

17、g B.cant;am doing C.cant;do【点拨】对“Could you please.”的肯定回答是“Yes,I can.”，否定回答是“Sorry,I cant.”。根据“now”可知，“我”现在正在做作业，应为现在进行时。B返回4 e.g.He may be at home now.他现在可能在家里。The Japanese book cant be Alices.She studies English.这本日语书不可能是艾丽斯的。她学英语。考题6：丹东 The lights of Toms house arent on.I think he _ be at home now

18、.A.mustnt B.neednt C.wont D.cant【点拨】根据“The lights of Toms house arent on.”可知此处是语气强烈的否定推测，灯不亮即人不可能在家。D考题7：锦州 Will plants grow on other planets?That _ be true.Its really difficult to predict the future.A.mustnt B.should C.neednt D.may【点拨】根据“Its really difficult to predict the future.”可知，未来很难预测，因此推测可能是

19、真的。D返回感叹句感叹句概述感叹句是用来表达喜怒哀乐等强烈感情的句子。感叹句一般由what 或how 引导，句末加感叹号。what 修饰名词，how 修饰形容词、副词或动词。构成what 引导的感叹句的主要句型how 引导的感叹句的主要句型1 what 引导的感叹句的主要句型：基本句型例句What+a/an+形容词+可数名词单数（+主语+谓语）!（以元音音素开头的形容词前面要用an）What an interesting story(it is)!（它是）多么有趣的一个故事啊！What+形容词+可数名词复数（+主语+谓语）!What beautiful flowers(they are)!（它

20、们是）多么漂亮的花啊！What+形容词+不可数名词（+主语+谓语）!What delicious food(it is)!（它是）多么好吃的食物啊！考题8：株洲 _ beautiful day!Lets take a walk by the lake.A.What B.What a C.How【点拨】中心词是可数名词单数，beautiful 以辅音音素开头，因此应用What a。B考题9：绥化 Our school volleyball team won the first prize last Friday.Wow,_ great news!A.what an B.what a C.what

21、【点拨】考查感叹句，中心词是不可数名词news，用感叹句结构“What+adj.+不可数名词（+主语+谓语）！”。C考题10：泰州“Hello,my dear friend.What a lucky day _ Im sure you will do well in this exam.”Which of the following fits in the blank best?A.“!”B.“,”C.“?”D.“.”【点拨】题干中是What 引导的感叹句，感叹句用感叹号。A返回2 how 引导的感叹句的主要句型：基本句型例句How+形容词（+主语+谓语）!How kind(the girl

22、is)!（这个女孩是）多么善良啊！How+副词（+主语+谓语）!How well(she dances)!（她舞跳得）多好啊！How+主语+谓语!（此句型中How 修饰动词，但动词不提前。）How time flies!时间过得真快呀！考题11：凉山 _ clean the classroom is!So it is.The students clean it every day.A.How B.What C.What a【点拨】感叹句的结构主要有“How+adj./adv.+主语+动词+其他！”和“What+(a/an)+adj.+名词+主语+动词+其他！”。由“clean the classroom is”可知，此处是how 引导感叹句的用法。A考题12：_ hard Tim was working on his homework!He even didnt notice his mom enter the room.A.How B.How a C.What D.What a【点拨】设空所在句是感叹句，结合_“hard Tim was working.”可知，句子的中心词是hard，是副词，所以用how 修饰，符合“How+副词+主谓+其他！”的结构。A返回本节课主要学习了以下知识点,请同学们及时巩固练习：smoke,camera,X-ray,by the way