+Module2+Unit3+Language+in+use 外研版七年级英语下册.pptx

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1、外研版七年级英语下册Module2 Unit3 Language in use在表达在表达“某人能做某事某人能做某事”时，一般可以用时，一般可以用“_+_”的结构。如果表达的结构。如果表达“某某人不能做某事人不能做某事”，可以在，可以在can的后面加的后面加not,或缩或缩写为写为_。Do you know?can 动词原形动词原形 cant Now lets read more examples.What can you do?I _.Can you play the piano?Yes,_./No,_.can play the pianoI can play the piano.I can

2、I cantThe secret of success is constancy of purposeWhat can she do?She _.Can she.?Yes,_./No,_.can cookShe can cook.she canshe cantThe secret of success is constancy of purposeLanguage Points情态动词can的用法一、基本用法 1.表示能力（如体力和脑力方面），意为“能；会”等。Can you speak English?你会讲英语吗？Can you play the piano?你会弹钢琴吗？2.表示请求或允

3、许，多用在口语中，意为“可以；能”等。用于疑问句中用来提出要求，用于否定句表示不允许。Can I help you?我能帮助你吗？You cant play basketball.你不能玩篮球。The secret of success is constancy of purpose情态动词基本用法 can是情态动词，意为“能，会”，没有人称和时态的变化，后面接 否定形式是在can后面加 ，成为can not缩写成 。动词原形。notcantThe secret of success is constancy of purpose情态动词情态动词can1.特点：特点：不能不能独立作谓语独立作谓

4、语，必须，必须与动词原形与动词原形一起共同充一起共同充 当句子的谓语。当句子的谓语。没有没有人称人称和和数数的变化。无论主语是单数还是复的变化。无论主语是单数还是复 数形式，数形式，can的形式不发生任何变化。的形式不发生任何变化。The secret of success is constancy of purposecan playcan dancecan teachCan cancantcantgo Ready?can helpcan getcan makecan joinCan speak The secret of success is constancy of purposeMak

5、e a poster.Draw a picture for your club.Add the title of your club.Invite people to join.The secret of success is constancy of purpose1.I can play the piano.2.She can dance.3.We can teach you Chinese!4.Can you cook?Yes,I can./No,I cant.5.I cant speak Chinese very well.6.I can even help teachers too.

6、7.Choose me for the PE monitor and you can get the best score too.8.We can make our classroom beautiful.9.Which club can she join?10.Can Daming speak Chinese?What can.do?They _.Can they.table tennis?Yes,_./No,_.can.They can play table tennis.they.they.The secret of success is constancy of purposeWha

7、t can.do?He _.Can he.a bike?Yes,_./No,_.can.He can ride a bike.he.he.The secret of success is constancy of purposeI can play the piano.She can dance really well.We can teach you Chinese!Can you cook?Yes.I can./No.I cant.Read the sentences and pay attention to the underlined parts.The secret of succe

8、ss is constancy of purpose1 Work in pairs.Add two or three more activities to the list.Student 1Student 2fly a kite play the pianocookplay table tennisride a bikeActivityStudentNow write questions for each activity.The secret of success is constancy of purpose1.情态动词情态动词can在本课的含义在本课的含义2.情态动词情态动词can的用

9、法及基本句型的用法及基本句型Focus on Focus on 重点关注重点关注The secret of success is constancy of purposeWork with another pair.Ask and answer the questions you wrote in Activity1._ Can you fly a kite?_ Yes,I can./No,I cant.Now give a report of your questions and answer to the rest of the class.Four students can fly a

10、kite.The secret of success is constancy of purpose1)They can play basketball.他们会打篮球。他们会打篮球。2)She can dance.她会跳舞。她会跳舞。主语主语+can+动词原形动词原形+其他其他.1.肯定句型肯定句型基本句型基本句型The secret of success is constancy of purpose1)I can cook.我会做饭。我会做饭。2)She cant dance.她不会跳舞。她不会跳舞。本课情态动词本课情态动词can表示表示能力能力。表示。表示“能能,会会”。注意：注意：情态

11、动词必须与动词原形一起构成谓语。情态动词必须与动词原形一起构成谓语。情态动词没有人称和数的变化。情态动词没有人称和数的变化。基本含义基本含义及及用法用法The secret of success is constancy of purpose基本句式肯定句主语+can+动原+其他He can ride a bike.否定句主语+cant+动原+其他I cant play the piano.一般疑问及回答Can+主语+动原+其他？Yes,主语+can.No，主语+cant.Can he dance？Yes，he can.No,he cant.特殊疑问 特殊疑问词+can+主语+动原+其他？Wh

12、at can you do？The secret of success is constancy of purpose情态动词can 的其他常见用法（1）表示请求或允许，意为可以，这时可以与may 互换。Can I use your bike?我可以用你的自行车吗？（2）表示可能，常用于否定句或疑问句中，表示推测。He can be at home now.他现在可能在家。The secret of success is constancy of purpose句式变化如下：1.在变否定句时，直接在can后加上“not”,可缩写 成cant或cannot,但不能写成cannt。例如：He ca

13、n swim.He cant swim.Tony can see the pen on the desk.Tony can not see the pen on the desk.The secret of success is constancy of purpose2.在变一般疑问句时，直接移到主语前（原主语的 首字母改成小写，第一人称应变为第二人称）即 可。例如：I can see an orange on the table.Can you see an orange on the table?其回答可用Yes、OK或Certainly等作肯定回答；用No或Sorry等作否定回答。例如

14、：The secret of success is constancy of purposeCan you.？“请你好吗？”表示说话人的请求；Can I.？“我可以吗？”用来征求对方是否允许自己做某事。如在句末加上 please一词就显得更有礼貌了。例如：Can you help me,please?请你帮助我好吗？The secret of success is constancy of purposeI can play the piano.否定句：否定句：I cant play the piano.一般疑问句：一般疑问句：Can you play the piano?Yes,I can.

15、/No,I cant.特殊疑问句：特殊疑问句：What can you do?The secret of success is constancy of purpose表示可能。例如：He can be at home now.他现在可能在家。The moon cant always be full.月亮不可能常圆。表示怀疑。在表达此意时，只能用于一般疑 问句中，带有感情色彩。例如：Can it be true?那会是真的吗？The secret of success is constancy of purpose1.Helen,who _ fix up the computer in our

16、 class?I think Jeff can.A.should B.would C.must D.can2.Have you got the results of the exam?No.All we _ do now is to wait.A.must B.can C.may D.could中考真题中考真题情态动词情态动词canThe secret of success is constancy of purpose否定形式cannot比缩写形式cant要正式。can 可以表示多种含义，而这里的can所表示的都是能力。Can we swim?好像与实际不符，其实现实生活中还是有这种情况的。

17、如反问句“我们会游泳吗？当然会了。”（Can we swim?Certainly we can.）另外，can表示的“能力”为现在的能力，而不能表示过去或将来的能力，这一点一定要注意。注意The secret of success is constancy of purposeCan you look after my dog,please?你能照看一下我的狗吗？OK.可以。用Certainly回答。此时语气更为肯定。Can I see your piano?我能看看你的钢琴吗？Certainly.当然可以。The secret of success is constancy of purpo

18、se其构成是：肯定句:主+can+动词原形否定句:主+cant+动词原形一般疑问句:Can+主+动词原形？特殊疑问句:特殊疑问词+一般疑问句？Yes,主+can.No,主+cant.现在我们来总结一下The secret of success is constancy of purposeModule 2Unit 3重点单词：fly,kite,swim,dance,teach play,language,club 重点短语重点短语：fly a kite,play the piano,ride a bike,speak English重点句式：重点句式：(1)I/You/He/She/They/

19、We can/cant+动词原形(2)Can you/he/she/they?Yes，I can/No，I cant.(3)I cant,but I can?.The secret of success is constancy of purposeTranslate the following sentences.1.我不会弹钢琴，但我会唱歌。_2.你会骑马吗？不，我不会。_3.我不会游泳，但我会打篮球。_I cant play the piano,but I can sing.Can you ride a horse?No,I cant.I cant swim,but I can play basketball.