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1、 Unit 2 Healthy Eating-教学案Part Grammar-教学案学科英语教材名称高中英语必修三 课题 Unit 2 Healthy Eating年级高一学段第三学段备课组长主备人1. Knowledge aimsStudents shall be able to learn the basic usage of the following modal verbs: can/could; may/might; must/have to; shall/should; will/wouldImportant points1. The usage of each pair of t
2、he modal verbs2. The sameness and difference among these pairs of modal verbs3. Correctly understand the change modal verbs bring to the sentences, that is, their functions.Step 1 Revision1.lead inT: First wealth is health. What should/shouldnt we do to keep healthy? What kind of food must we eat to
3、 be strong? What ought we to eat to stay slim? _2.Give some more situations to revise the usage of the modal verbs.a. My mother cooked a lot of food for me. She has been cooking all the morning.- She must be tired now.b. I have just eaten a lot of food.- You cant be hungry now.c. My house is near th
4、e railway. It must be noisy there.d. She called me yesterday evening but I didnt hear. I must have been asleep.e. The old restaurant must be very good. Its always full of people.f. The new restaurant cant be very good. Its always empty.g. Where is Bob? Perhaps he is in the office. He may be in his o
5、ffice.h. Where is Jane? Perhaps she is reading the newspaper. She may be reading the newspaper.i. Perhaps she was ill yesterday. She might be ill yesterday.j. Perhaps she went fishing yesterday. She might go fishing yesterday.k. In China many children have to wear uniform when they go to school.l. D
6、ont tell anybody what I said. You must keep it a secret.m. The floor is clean. You neednt sweep it.n. I promised I would be on time. I mustnt be late.o. Last night Paul became ill suddenly. We had to call the doctor.p. Its sunny today. You neednt take the umbrella.q. We cant repair the car ourselves
7、. We have to take it to a garage.r. I can manage the shopping alone. You neednt come with me.s. That is an important book. you must look after it carefully.t. You look tired. You should go to bed now.u. You shouldnt believe everything you read on the Internet.v. Excuse me, could you tell me the way
8、to the railway station, please?w. You are carrying a lot of things. You cant open the door yourself. There is a man standing near the door. You say to him: Could you open the door, please?x. Would you like a cup of coffee?3. Get the students to list the modal verbs that they have learned.can/could m
9、ay/ might will/ would had better shall/ should must have to need ought to dare4. Explain the modal verbs in the following sentences.1).He can speak English well.2).You can go home now.3)That cant be true.4).Could you please show me the way to Beihai Park?5).They hunters are lost. They could starve.6
10、).May I come in?7).He may give you some help?8).Dont worry. I will help you.9).Often he would dress up like a rich man.10).Would you like to join us for dinner?11).You shall have the ticket as soon as I get it.12).You should arrive at the airport two hours before he goes.13).It is five oclock. He sh
11、ould turn up soon.14).Wang Feng wins an award every year. He must be strongStep 2 Discovering useful structuresPlease pick out all the sentences containing modal verbs from the reading passage and list them. Match the function words in the box with each of the sentences. Then make three new sentence
12、s.A. Intention B. Duty C. Promise D. Possibility E. Guessing1. By lunchtime they would all be sold. 2. His restaurant ought to be full of people.3. What could have happened?4. Nothing could have been better?5. Something terrible must have happened.6. I will take all that fat off you in two weeks. 7.
13、 He could not believe his eyes.8. He wondered if he should go to the library to find out.9. He couldnt have Yong Hui getting away with telling people lies.10. He had better do some research.11. After eating in the restaurant people would become fired very quickly.Step 3 ExercisesFinish Ex.2-3 on P13
14、Step 4 Using structuresAsk your classmate questions using the phrases in the table (on P50). Then complete the following table according to the example.Example: YOU: Miki, do you often go to fast food restaurants?MIKI: No, I dont.You write “No” in the table and then give your own opinion or suggesti
15、ons, like “I think he is right. We shouldnt eat too much fast food, otherwise it will cause health problems.” using must(nt), should(nt), ought (not) to and (dont) have to in your suggestions and opinions。Step 5 Practice1. I lived with my sister this summer and didnt have to pay rent. So I _ save mo
16、st of my salary. A. was able to B. would C. could D. should2. I promised to get there before 5 oclock, but now the traffic is still so heavy. They _ for me impatiently. A. may wait B. must be waiting C. could wait D. ought to wait3. I _ her, but I never could. A. ought to help B. must help C. must h
17、ave helped D. ought to have helped 4. The Smiths went to the country for the weekend as they _ to the office. A. neednt have gone B. mustnt go C. may not go D. didnt have to go5. My parents never remember my telephone number, and they always _ look it up. A. should B. can C. have to D. must6. Bobby
18、_ me your secret, but he meant no harm. A. shouldnt have told B. should tell C. mustnt have told D. could tell 7. If you _ go, at least wait until the rain stops. A. can B. must C. should D. would8. You _ follow me if I am wrong. A. must B. dont have to C. wouldnt D. ought to 9. _ you like to have a walk with us this evening? A. Could B. Will C. Would D. Can10. Mr Wang, I will go and fetch four chairs for the meeting. You _ fetch four; two will do. A. wont B. couldnt C. shouldnt D. neednt Key： 1-5 ABDDC 6-10 ABBCDHomework:Finish the grammar part in “ Chang Gui ”板书设计：1.2.教学后记：_