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1、Review the sentences that we have studied in Unit 1 and Unit 2.She can cook. Can you cook? Yes, I can. / No, I cant.Can you play basketball well?Yes, I can. / No, I cant.The girl can dance. Can you dance?Can you play football well?Yes, I can. / No, I cant.She can play table tennis. Can you play tabl
2、e tennis?They can sing. Can you sing well?They can run really fast.Can you run fast?No, I cant.He can play the piano. Can you play the piano?He can ride a bike. Can you ride a bike?Yes, I can.He can ride a horse. Can you ride a horse?No, I cant.Can they fly kites?Yes, they can.fly a kiteswimCan they
3、 swim well?Yes, they can.Sun Yang can swim well, but I cant. Can you swim well?I can play the piano.She can dance really well.We can teach you Chinese!Can you cook?Yes, I can. / No, I cant.情态动词情态动词can的用法的用法一、基本用法一、基本用法 1. 表示能力（如体力和脑力方面），意为表示能力（如体力和脑力方面），意为“能；会能；会”等。等。例如：例如：Can you speak English? 你会讲
4、英语吗？你会讲英语吗？Can you play the piano? 你会弹钢琴吗？你会弹钢琴吗？2. 表示请求或允许，多用在口语中，意表示请求或允许，多用在口语中，意为为“可以；能可以；能”等。用于疑问句中用来等。用于疑问句中用来提出要求，用于否定句表示不允许。提出要求，用于否定句表示不允许。例例如：如：Can I help you? 我能帮助你吗？我能帮助你吗？You cant play basketball. 你不能玩篮球。你不能玩篮球。Can you.？“请你请你好吗？好吗？”表示表示说话人的请求；说话人的请求；Can I.？“我可以我可以吗？吗？”用来征求用来征求对方是否允许自己做某
5、事。如在句末加对方是否允许自己做某事。如在句末加上上 please一词就显得更有礼貌了。一词就显得更有礼貌了。例如：例如：Can you help me, please? 请你帮助我好吗？请你帮助我好吗？3. 表示可能。表示可能。例如：例如：He can be at home now. 他现在可能在家。他现在可能在家。The moon cant always be full. 月亮不可能常圆。月亮不可能常圆。4. 表示怀疑。在表达此意时，只能用于表示怀疑。在表达此意时，只能用于一般疑问句中，带有感情色彩。一般疑问句中，带有感情色彩。例如：例如：Can it be true? 那会是真的吗？那会
6、是真的吗？ 二、句式变化如下：二、句式变化如下： 1. 在变否定句时，直接在在变否定句时，直接在can后加上后加上“not”,可缩写成可缩写成cant或或cannot, 但不能但不能写成写成cannt。例如：例如：He can swim. He cant swim. Tony can see the pen on the desk. Tony can not see the pen on the desk. 2. 在变一般疑问句时，直接移到主语在变一般疑问句时，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。人称应变为第二人称）即可。例如：
7、例如：I can see an orange on the table. Can you see an orange on the table? 其回答可用其回答可用Yes, OK或或Certainly等作肯等作肯定回答；用定回答；用No或或Sorry等作否定回答。等作否定回答。例如：例如： Can you look after my dog, please? 你能照看一下我的狗吗？你能照看一下我的狗吗？ OK. 可以。可以。用用Certainly回答。此时语气更为肯定。回答。此时语气更为肯定。Can I see your piano? 我能看看你的钢琴吗？我能看看你的钢琴吗？Certainl
8、y. 当然可以。当然可以。 翻译下列句子。翻译下列句子。1. 我不会弹钢琴，但我会唱歌。我不会弹钢琴，但我会唱歌。_.2. 你会骑马吗？你会骑马吗？ 不，我不会。不，我不会。_.3. 我不会游泳，但我会打篮球。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.4. Sally会放风筝，我也会。会放风筝，我也会。_.5. Bill会说法语，但他不会说俄语。会说法语，但他不会说俄语。_.6. 他们
9、不会说西班牙语和阿拉伯语。他们不会说西班牙语和阿拉伯语。_.Sally can fly a kite, I can fly a kite, too. Bill can speak French, but he cant speak Russian. They cant speak Spanish or Arabic. Student Activity Student 1 Student 2fly a kiteplay the pianocookplay table tennisride a bikeWork in pairs. Add two or three more activities
10、to the list.Now write questions for each activity.Can you fly a kite?Work with another pair. Ask and answer the questions you wrote in Activity 1. Can you fly a kite? Yes, I can. / No, I cant.Now give a report of your questions and answers to the rest of the class.Four students can fly a kiteComplet
11、e the sentences with can or cant.1. _ you swim? Yes, but I _ swim well.2. Are you coming with us? Sorry, I _ ride a bike.Can cantcant3. What _ the new cleaning monitor do for us? He _ make our classroom tidy.4. _ you play the piano for us? Sorry, I _ play the piano, but I _ sing for you. can canCan
12、cantcanComplete the passage with the correct form of the words from the box.beautiful Chinese monitor piano tidy I like playing the (1)_. I am Chinese so I can speak (2)_ very well and I can speak English too. I am very (3)_ and I help my mum to clean our home. I want to be the cleaning (4)_ at scho
13、ol because I want to make our classroom (5)_.pianoChinesetidymonitorbeautiful There are six official languages of the United Nations. Can you speak these languages? Can you write them?Chinese 你好！你好！ English Hello! Spanish iHola!ArabicRussianFrench Bonjour!Making a poster for a clubWork in groups of
14、three or four. Talk about a new school club. Choose a name for the club. Choose a day and time for the club. Ask people to join the club.Can you sing?Can you play the piano?Come and join the Music Club! Mondays 4: 30 pmThe Music Room1. Make a poster. Draw a picture for your club.2. Show and talk about your poster with your classmate.
