七年级英语课件牛津版7A Unit6 Grammar A

1、GrammarUsing can and may Unit 6CancantCancanMaymaycan modal verbe.g. I can work out this problem.negative form: cannot negative short form: cantcan not 比cannot 更强调e.g. Sorry, I cannot go with you now. I must finish my homework first.e.g. I cant play computer games on the weekdays. interrogative form

2、 e.g. (1) Can you answer this question? Yes, I can. /Sorry, I cant. (2) Can I park here? Yes, You can. No, you cannot.1. We use “can” to ask our friends for permissions. Simon: I dont have my English book here. Can I use your book? Daniel: Yes, you can. Here it is. Can we go home now, please? No, yo

3、u cant .Rules2. to be able to do something or to know how to do something.e.g. You can swim, cant you?1. 今晚你能来参加晚会吗? Can you come to the party this evening?2. 明天我会看到他. I can see him tomorrow.3.下周你可以带本词典来. You can bring a dictionary next week.4. 明天我能帮你修小车了. I can help you repair your car tomorrow.Put

4、 the following into English.May modal verbnegative form: may not interrogative form and the answers:May + S + V.?Yes, S + may.No, S + mustnt/cant.1. We use “may” to ask teachers, parents and other adults for permission.RulesMillie: Its very hot in the classroom. May I open the window?Mr Wu: Yes, you

5、 may.May I come in? You may take the book home.e.g. There may not be enough money to pay for the repairs. They may have called while you were out. 2. If something may happen or may be true, there is a possibility that is will happen or be true but this is not certain.One may live a hundred years, bu

6、t cannot (不用may not) live three hundred.1. 任何人都会生病. Anybody may get ill.2. 他们今天不可能在这里. They may not be here today. 3. 学生不可能把书带进考场. Students may not bring the books into the exam room. Exercise1. You and Sandy are shopping. You want to buy a pair of shoes. But you dont have enough money.2. You forget to bring your dictionary to school. You want to use Miss Lis.3. Your school bag is too old. You want your mother to buy you a new one.Work in pairs情态动词 含义 征求意见使用人称 can/could 可以各种人称may/might 可以各种人称will/would 愿意第二人称sh