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 table tennis?They ca
2、n 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 swim well?Yes,they can.
3、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?你会讲英语吗？你会讲英语吗？Can you play the piano
4、?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？”用来征用来征求对方是否允许自己做某事。如在句末求对方是否允许自己做某事。如在句末加上加上 please一词就显
5、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
6、在can后加上后加上“not”,可缩写成可缩写成cant或或cannot,但不能写但不能写成成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：例如：I can see an orange on the table.Can you see an or
7、ange 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？Certainly.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
8、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
9、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 to the list.Now write questions for each activity.Can you fly a kite?Work with anoth
10、er 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 kiteComplete the sentences with can or cant.1._ you swim?Yes,but I _ swim well.2.Are you coming with u
11、s?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 cantcanComplete the passage with the correct form of the words from the box.beautiful Chinese monitor pi
12、ano 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 school because I want to make our classroom(5)_.pianoChinesetidymonitorbeautiful There are six official languages o
13、f 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 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.
