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Grammar,Unit 7 Abilities,學(xué)習(xí)目標(biāo),1. 了解can could may 的用法 2. 會(huì)使用can could may 3. 會(huì)使用感嘆句,,can,could,用于一般現(xiàn)在與將來(lái)時(shí),用于一般過(guò)去時(shí),can/could表示能力(意為“能,會(huì)”),Can 1. 能（表能力）， 2.可以，（許可）， 3.可能（表可能性） could 1.can的過(guò)去式）， 2.可能,許可（比can更委婉，可能性更?。?may 1.許可，可能 2.比can，could更正式，客氣,Can,,,語(yǔ)氣越來(lái)越委婉 可能性越來(lái)越來(lái)小,could,may,回答時(shí)用can，表示肯定的語(yǔ)氣,Can, could 和may都可以表示許可，意為“可以”； Could 比can更有禮貌，更委婉地提出請(qǐng)求，想法,（此時(shí)的could不表示過(guò)去，回答時(shí)肯定用can, 否定用can’t）。 May是正式場(chǎng)合，用于對(duì)長(zhǎng)輩，老師或陌生人。,,I can ____ _ ____.,ride a bike,,Look and say,What can I do?,I can ____ __________.,play basketball,,What can I do?,He ___ ____ the cello (大提琴).,can play,What can he do?,,I can __ ________ every day.,do exercises,,What can I do?,__ ___ fly a kite on the beach.,,What ____ I do?,can,I can,He can swim.,He could swim last year.,He can fly a kite.,He could fly a kite last year.,He can ride a bike.,He could ride a bike last year.,She can row a boat.,She could row a boat last year.,He can play tennis.,But he could play it last year.,She can cook. She could cook last year.,句型,肯定句：主語(yǔ)+ can /could + do原形 否定句： 主語(yǔ)+ can/ could not + do 原形 疑問(wèn)句：can/ could+主語(yǔ) + do 原形？ yes, sb can/ could no, sb can’t/ couldn’t,如果表達(dá)不能做某事，可以在can后直 接加not，成為cannot，也可以縮寫(xiě)為 can’t。 Can not 如：I cannot (can’t) play football. can沒(méi)有人稱和數(shù)的變化。不論表示 誰(shuí)能(不能)做某事，都是用can (not)。,I can play the guitar but,Tom ________ chess ____ he _________ it very well.,can play,but,can’t play,I can’t play it very well.,否定句,He ________________ but he ____________________.,She ________ ____ she __________________.,can speak English,can’t speak it very well,can paint,but,can’t paint very well,如果是詢問(wèn)某人能不能做某事，則要使用can的疑問(wèn)形式，即將can提至句首。如： — Can you speak Chinese? — Yes, I can. / No, I can’t.,一般疑問(wèn)句,A: Can she play the violin? B: ____, she can.,A: ____ she ______? B: Yes, ________.,,Can,dance,she can,Yes,A: ____ he play the drums? B: No, ________, but he can play the guitar.,Can,he can’t,A: ____ she play the piano? B: ____________, but she _________.,Can,can dance,No, she can’t,Could的用法,It can ride a bike. It couldn’t ride a bike last year.,She ______ row a boat. She ________ row a boat last year.,can,couldn’t,ride a bike,I ______ ride a bike now. I _____________ride a bike 2 years ago .,could not/couldn’t,can,Take turns to ask and answer questions using “can” or “could”.Try to make dialogues in pairs. 1.______ you speak English ? 2._______ you play the piano last year? 3._______ you cook? 4._______ you use a computer when you were 3? 5._______ you ride a bicycle when you were very young? 6._______ you understand English TV programmes in 2000?,Can,Could,Can,Could,Could,Could,Make dialogues using the following pattern.,S1: Can you ride a bike? S2: Yes, I can. / No, I can’t. S1: Could you ride a bike five years ago? S2: Yes, I could. / No, I couldn’t.,Can he/she fly a kite? Yes, he/she can. No, he/she cannot/can’t.,Can 1. 能（表能力）， 2.可以，（許可）， 3.可能（表可能性） could 1.can的過(guò)去式）， 2.可能（比can更委婉，可能性更?。?may 1.許可， 2.比can，could更正式，客氣,Can,,,語(yǔ)氣越來(lái)越委婉 肯定回答用can 可能性越來(lái)越來(lái)小,could,may,1. Daniel: _______ I open the door, Mr Wu? Mr Wu: yes,you _____ 2. Tom:Mum , ________ I have an apple? Mum: No, you _____ It _____ rain, because it is sunny now. It _____ rain, because it is cloudy now.,May,can,may,Can’t,may,can,,其構(gòu)成是： 肯定句: 主 + can + 動(dòng)詞原形 否定句: 主 + can’t + 動(dòng)詞原形 一般疑問(wèn)句: Can + 主 + 動(dòng)詞原形？ 肯定回答: 否定回答: 特殊疑問(wèn)句: 特殊疑問(wèn)詞 + 一般疑問(wèn)句？,Yes, 主 + can.,No, 主 + can’t.,現(xiàn)在我們來(lái)總結(jié)一下：,eg: I can dance. 我會(huì)跳舞。 I can’t dance. 我不會(huì)跳舞。 Can you dance? 你會(huì)跳舞嗎？ What can you do? 你會(huì)干什么？,Yes, I can. 是的，我會(huì)。,No, I can’t. 不，我不會(huì)。,Can you understand?,“can” “could” “may” to ask for permission. “Could” sounds more polite than “can”. May is formal.,1. ---Can I borrow your bike, Millie? ---Yes, you can. Here you are. 2. ---Could I smoke here? ---Sorry, I’m afraid you can’t. 3. ---May I use your mobile phone? ---Of course you may.,What/how感嘆句的用法,會(huì)使用what/ how感嘆句,1.把鑰匙忘在教室了 2.順便問(wèn)一下 3.沒(méi)問(wèn)題 4.看透墻 5.用他的眼睛燒東西 6.聽(tīng)得很遠(yuǎn) 7.多奇怪??！ 8.和光一樣快 9.多有趣的一個(gè)主意! 10.多優(yōu)美的音樂(lè)!,left the key in the classroom,by the way,no problem,see through walls,burn things with his eyes,hear things far away,How strange!,run as fast as light,What an interesting idea!,What nice music!,What a big pencil box it is! How big the pencil box is!,What beautiful flowers they are! How beautiful the flowers are!,The flowers are beautiful. What beautiful flowers they are. How beautiful the flowers are!,The cat is lovely. What a lovely cat it is. How lovely the cat is!,pretty,How pretty the little girl is!,What a pretty girl she is,How tall the man is! What a tall man (he is)!,Work out the rules:,,,,,,,it is,they are,it is,用what (a/an)或how填空：,1._________ exciting music it is! 2. _________ happily they are playing! 3. _________ amazing film they saw! 4. _________ lovely animals they are! 5. _________ amazing match it is!,What,How,What an,What,,,,,,What an,What 與How 大轉(zhuǎn)換,1. What a pretty girl she is! _______ _______ the girl is! 2. How difficult the questions are! _________ ________ ________ they are. 3. How big the factory is! _______ _______ big factory _____ ____!,How pretty,What difficult questions,What a,,it is,4.What a clever boy! _______ _______ the boy _______! 5. How tall the trees are! _______ tall trees ______ ______! 6. What interesting books they are! ________ _______ the books ________! 7. How funny the girl is! ________ a funny girl she is!,,How clever,are,What,How interesting,What,they are,is,8. How old the man is! ______ _______ old man ______ _____! 9. What nice books they are! _____ ______ the books ________! 10. How amazing the building is! _____ _____amazing building ____ ____!,What an,he is,How nice,are,What an,it is,小結(jié),感嘆句通常有what, how引導(dǎo)，表示贊美、驚嘆、喜悅等感情。,How + 形容詞 + a + 名詞 + 陳述語(yǔ)序 How + 形容詞或副詞 + 陳述語(yǔ)序 What + 名詞 + 陳述語(yǔ)序 What + a + 形容詞 + 名詞 + 陳述語(yǔ)序 What + 形容詞 + 復(fù)數(shù)名詞 + 陳述語(yǔ)序 What + 形容詞 + 不可數(shù)名詞 + 陳述語(yǔ)序,How clever a boy he is! How lovely the baby is! What noise they are making! What a clever boy he is! What wonderful ideas (we have)! What cold weather it is! 感嘆句的省略形式為： What a clever boy (he is)!,Lucy can play the piano. (改為一般疑問(wèn)句并作肯定回答) ___________________________ ___________________________ 2. Mike can swim. (改為否定句) ___________________________,句型轉(zhuǎn)換,Can Lucy play the piano? Yes, she can.,Mike can’t swim.,3. Can you play chess? (否定回答) ____________. 4. They can speak English. (變?yōu)榉穸ň? They _____ _____ English.,No, I can’t,can’t speak,翻譯句子,1. - 比爾會(huì)彈鋼琴嗎？ - 是的，他會(huì)，但是他不會(huì)唱歌。 2. - 她會(huì)唱歌嗎？ - 不，她不會(huì)，但是她會(huì)跳舞。,Can Bill play the piano? Yes, he can, but he can’t sing.,Can she sing? No, she can’t, but she can dance.,3. 去年他不會(huì)劃船，但現(xiàn)在他能劃得 很好。,4. 年輕人能為老年人做很多事情。,He couldn’t row a boat last year, but now he can do it well.,Young people can do many things for the elderly.,5. 我的網(wǎng)球拍 (tennis racket) 壞了， 昨天我就不能打球了。,6. 多么勇敢的年輕人??！,7. 太棒了。,My tennis racket was broken, so I couldn’t play tennis yesterday.,What a brave young man!,How wonderful!,IV. 單項(xiàng)選擇,_____ food you've cooked! A. How a nice B. What a nice C. How nice D. What nice,2. _____ terrible weather we've been having these days! A. What B. What a C. How D. How a,Homework,Make sentences with ‘can / could’ ‘What … ! How … !’,Thank you!,A: I _______ read the article at all. It’s too hard for me. Can you read it? B: Yes, of course. But I ________ read well. A: That’s OK. I _______ do it at all. B: Oh, well, ________ mind. You can learn Maths very well.,never,can’t,can’t,can’t,Exercise,A: Thank you, but _______ you teach me _______ to read English? B: No __________. Let’s ________ every Friday. A: Great! Thank you very much.,can,how,problem,practise,