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1、RTVU ENGLISH,电大英语,电大：张琳,电大英语本单元的主要语法内容是: 情态动词 can, could, may, might, must,Look at the advertisement below for a maid. MAID WANTED The parents of a four-year-old girl want a maid for housework . Can you do these jobs ? We need someone who : can clean can cook can iron clothes can mend clothes can re
2、ad and write well But we also need someone who: can speak Cantonese can cook Sichuan food can look after a little girl Are you the person we are looking for ? Then write to Guo Yikai and Kong Yunhua for details.,文中的黑体部分是情态动词 can+ 动词原形. 情态动词是表达说话人的语气或情态的动词. 它们可以表示命令,允诺,请求,愿望,推断,义务等一系列感情色彩. can, could
3、, may, might, must 是几个常用的情态动词.,Can 的主要用法是: A) 表示体力或脑力的能力 eg. The girl can type very fast . Can the child read and write ? B) 表示说话人的推测, 事物的可能性 eg. Where can Mary be ? Can the news be true ? C) 在口语中, can可以表示 请求或允许 eg. Can I sit here ? You can go now .,根据上述语法注释, 用A或B标出下列句子中can的不同用法,1) Travelling by sea
4、 can make you sick . ( ) 2) He is very clever but he cant remember anything . ( ) 3) He can read book in French, German and English . ( ) 4) You can find him in the office . ( ) 5) You can use my phone . ( ),情态动词的否定式 情态动词的否定式与动词 be 一样, 是在情态动词后面加 not 构成,情态动词的疑问式,情态动词的一般疑问句及特殊疑问句的句型与动词be的句型是一样的. eg: C
5、an she write well ? Must we leave now ? Where can my bag be ? Where can we meet ? 一般疑问句进行简略回答; 特殊疑问句须进行具体回答. eg: - Can she speak English ? - Yes, she can. - No, she cant. - Where can Mr. Li be ? - He is in his office.,Could 的主要用法是 : A) could 是 can 的过去式, 表示与过去有关的能力和推测 eg. The father knew his son coul
6、d make the bookshelf by himself. eg. We all knew that the young girl couldnt be a teacher. B) could 可以代替can 表示请求, 但语气较 can 客气,委婉 eg. Could you lend me your dictionary ? eg. Could I use your bike ?,Use can / cant or could / couldnt appropriately in the following sentences . (选用 can / cant 或 could /co
7、uldnt 填空),1. Chen Wei _ drive , but he hasnt got a car. 2. At the age of three Mozart _ play the piano quite well. 3. Fred visit other countries a lot , so he _ speak a number of languages. 4. I _ help you , I dont want to. 5. I _ run a mile in four minutes these days. Last year I _ run at all becau
8、se I was ill. 6._ you try that number again , please ? Its 8227711. 7. My mother _ sing now , but when she was at school she _ sing very well. 8. We looked everywhere for my pen, but we _ find it,May 的主要用法是:,A) 表示允许, 请求; 比 can 较为正式 eg. May I come in ? You may go now. B) 表示说话人的猜测: “ 也许” “可能” eg. I be
9、lieve John is from England . But I may be wrong. The guest may arrive this afternoon. C) 表示祝愿; 但语气较正式: eg. May you succeed ! May you have a good holiday !,Read the text : The Maid,Yunhua advertised for a maid and received a number of answers. Two girls seemed to be suitable. They were Li Yan and Wan
10、g Hong , and they both came for an interview. Li Yan was thirsty and asked for a glass of water. Yunhua asked her a few questions. Li Yan couldnt start work for at least a month until she found a room. Now she did have a room. She was good at housework but couldnt cook Sichuan food. After Li Yan lef
11、t , Wang Hong came. It was very warm in the flat, so Yunhua took Wang Hongs coat from her, and then they talked . Wang Hong could do everything , and she could also cook Sichuan dishes . 当我们在谈论某人的技能时, 可以使用下面的两种句型 We need someone who can drive. We need someone who is good at sports. English.,Lets con
12、tinue the text,Yikai and Yunhua thought the two girls were both suitable. Wang Hong seemed very clever . But Yunhua was not happy about one thing. Could Wang Hong really cook Sichuan food? Perhaps she might not cook it very well. Yikai disagreed with his wife. After all, Wang Hong might be very good
13、 at cooking Sichuan dishes . Who knows ? And she might be good for Ning Ning because she could read well. Yikai also wanted someone good at sewing because Ning Nings clothes have always got holes in them. They also talked about the other girl, Li Yan. 文中的黑体部分是情态动词 might +动词原形 .,Might 的主要用法是,A) might
14、为 may 的过去式, 表示与过去有关的允许, 请求及“也许, 可能” : eg. The teacher told us we might ask him any questions. Mr. Green thought it might be true. B) might 可以代替 may, 但语气较 may 客气，委婉: eg. Might I say something ? Do you think we might start earlier ?,利用方框内的词语, 按事例用may 或 might 回答下列问题,eg. - What are you doing after schoo
15、l today ? Im going home. - Oh, I think I may go to the cinema or I might play badminton. 1. I can hear someone crying next door. Who do you think it might be? 2. Is John feeling okay ? He doesnt look very well. 3. Will you be at home this weekend ? 4. I cant find George anywhere. Do you know where h
16、e is ? 5. Why doesnt Tom answer the door? Im sure hes in.,1. The girl / the boy 2. Headache / ear-ache 3. No / visit aunt /go away 4. Play tennis / clean car 5. In the bath /in bed,Read the last part of the text,Both girls seemed excellent. Perhaps Li Yan couldnt cook Sichuan food. Sichuan food must include dishes with lots of peppers and chilli. And the girl must ride a bike to go to the shops . Yikai and Yunhua talked
