Unit 6 Period 3 课件-1.ppt

1、Oxford English,Module 3 Natural elements,Period 3,Grammar,1,Grammar: Modal verbs,I can spell all the words we have learnt. Can you do that?,Yes, I can. No, I cannot/cant.,A can and cannot,Game time,What can you do? Tell the student behind you and ask if he/she can do it. The next student should repe

2、at this with another student.,Example:,No, I cant. I can sing. Can you sing?,Yes, I can. I can Can you ?,I can swim. Can you swim?,Now read the following sentences.,Grammar exercise,can,cannot,cannot,can,cannot,can,can,cannot,2,A game: what would you say?,You will be given several situations. After

3、reading the descriptions and looking at the pictures, decide what you would say in these situations.,a. A man is going to see his boss. He is standing at the doorway.,May I come in?,b. A student is going to ask the teacher a question.,May I ask you a question?,c. A boy is thirsty. He is asking his m

4、other for something.,May I have some water?,d. A shop assistant is serving a customer.,May I help you?,B may and may not,May/Can I use your mobile phone? Yes, you may/can. No, you may not/cant. You may/can turn on the TV. You may not/cannot play in the kitchen.,Read the following sentences.,Grammar

5、exercise,May/Can,May,can,May,Can,3,C must and must not,What do these signs mean?,（You mustnt smoke here.）,（You mustnt climb this ladder.）,（You mustnt swim here.）,（You mustnt use your mobile phone here.）,We use must and must not/mustnt to tell people what to do or what not to do. Read the following sentences.,You must not/mustnt do that, Benny! We must always be careful with electricity. They must not/mustnt play near the heater.,I must go to bed early.,I must take the medicine on time.,eat c