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1、浙江省杭州市塘栖中学高中英语必修三：unit2healthyeating教案人教版第一部分 教学设计 Period 2 A sample lesson plan for Learning about Language (Modal verbs: ought to / ought not to / have to / dont have to / mustnt / neednt) Introduction In this period students will be first helped by the teacher to warm up by having a dictation. Th
2、en they go on to discover useful words and expressions and learn about grammar. Some ready used materials for Modal verbs: ought to / ought not to / have to / dont have to / mustnt / neednt will be offered. Objectives To learn about Modal verbs: ought to / ought not to / have to / dont have to / mus
3、tnt / neednt To discover and learn to use some useful words and expressions To discover and learn to use some useful structures Procedures 1. Warming up by reading aloud the text COME AND EAT HERE (1) We promote reading aloud to students and by students in order to encourage a love of English books
4、and a desire to become a fluent English speaker. So Read aloud the text before we learn about the grammar. 2. Discovering useful words and expressions In pairs do the exercises on page 12. You must finish them in 5 minutes. 3. Reading and identifying Read the text COME AND EAT HERE (1), discovering
5、all the sentences which contain any of the modal verbs: ought to / ought not to / have to / dont have to / mustnt / neednt. 4. Consolidating by doing exercises To consolidate your understanding you will be given 10 minutes to go over exercises on page 13. You may just write in your text book. I mean
6、 the students book you are working by. 5. Reading the ready used materials for Modal verbs: ought to / ought not to / have to / dont have to / mustnt / neednt 1. What are Modal Verbs? Modal auxiliary verbs help other verbs express a meaning or an idea but have no meaning by themselves. In English, m
7、odal auxiliary verbs are defective; for example, they do not have participle forms (no -ing or -ed endings). They are used in a variety of grammatical moods such as the conditional mood, which expresses uncertainty (I would be delighted if you came to my party). Modal auxiliary verbs are special ver
8、bs which behave very differently from normal verbs. Next are some important differences. 2. Modal verbs do not take -s in the third person. EXAMPLES: He can speak Chinese. She should be here by 9:00. 3. You use not to make modal verbs negative, even in Simple Present and Simple Past. EXAMPLES: He sh
9、ould not be late. They might not come to the party. 4. Many modal verbs cannot be used in the past tenses or the future tenses. EXAMPLES: He will can go with us. NOT CORRECT She musted study very hard. NOT CORRECT For reference: expectation (can use should)e.g. If you like Picasso, you ought to enjo
10、y the exhibition. ought to recommendation (can use should) e.g. You ought to have more driving lessons before you take the test. criticism (can use should) e.g. You ought not to shout at your mother like that. when you dont need to do something (but you can if you want) dont have to e.g. You dont ha
11、ve to go to school if you dont want to. necessity, impersonal, not for personal feelings, but for a rule or situation. If you are unsure whether to use must or have to, it is usually have (got) to safer to use have to. e.g. I have to get up early tomorrow to catch the train to the office. prohibitio
12、n (negative order) must not e.g. You must not leave the table until you have finished your dinner. as a normal verb need e.g. Do you need me to help you? in questions (less usual) e.g. Need you make so much mess? not necessary to do something (unusual) neednt e.g. You neednt come to the party if you
13、 dont want to. not necessary to do something (more used than neednt) dont need to e.g. You dont need to come to the party if you dont want to. 6. Closing down by doing a quiz Modals and Related Expressions 1. Teds flight from Amsterdam took more than 11 hours. He_ be exhausted after such a long flig
14、ht. A. must B. can C. had better 2. The book is optional. My professor said we could read it if we needed extra credit. But we _ read it if we dont want to. A. can not B. must not C. dont have to 3. Susan_ hear the speaker because the crowd was cheering so loudly. A. couldnt B. cant C. might not 4.
15、The television isnt working. It _ damaged during the move. A. must have been B. must C. must be 5. A_ hold your breath for more than a minute? B: No, I cant. A. Are you able to B. Might you C. Can you 6. You _ be rich to be a success. Some of the most successful people I know havent got a penny to t
16、heir name. A. cant B. dont have to C. shouldnt 7. Ive redone this math problem at least twenty times, but my answer is wrong according to the answer key. The answer in the book _ be wrong! A. have to B. must C. should 8. You _ do the job if you didnt speak Japanese fluently. A. cant B. wont be able
17、to C. couldnt 9. You _ worry so much. It doesnt do you any good. Either you get the job, or you dont. If you dont, just apply for another one. Eventually, you will find work. A. shouldnt B. dont have to C. cant 10. You _ be kidding! That cant be true. A. should B. have to C. ought to 11. You _ leave
18、 the table once you have finished your meal and politely excused yourself. A. would B. might C. may 12. _ we move into the living room? Its more comfortable in there and theres a beautiful view of the lake. A. Shall B. Must C. Will 156.46.10总复习4 P84-9013. If I had gone white water rafting with my fr
19、iends, I _ down the Colorado River right （1）圆周角：:顶点在圆上,并且两边都与圆相交的角,叫做圆周角.now. B、当a0时A. would have float B. would be floating C. would float 14. At first, my boss didnt want to hire Sam. But, because I had previously worked with Sam, I （1）一般式：told my boss that he _ take another look at his resume and
20、 reconsider him for the position. A. must B. ought to C. has to 弓形：弦及所对的弧组成的图形叫做弓形。15. You _ take along some cash. The restaurant may not accept credit cards. A. had better B. has to C. can 当a0时，抛物线开口向上，并且向上方无限伸展。当a0时，抛物线开口向下，并且向下方无限伸展。16. The machine _ on by flipping this switch. 推论: 在同圆或等圆中,如果两个圆心
21、角、两条弧、两条弦或两条弦的弦心距中有一组量相等,那么它们所对应的其余各组量都分别相等.A. may turn B. could be turning C. can be turned 应用题17. I cant stand these people - I _ get out of here. Im going to take off for a while you get 74.94.15有趣的图形3 P36-41rid of them. A. might B. have got to C. had better 18. You _ forget to pay the rent tomor
22、row. The landlord is very strict about paying on time. A. mustnt B. dont have to C. couldnt 19. Terry and Frank said they would come over right after work, so they _ be here by 6:00. A. have to B. can C. should 20. The lamp _ be broken. Maybe the light bulb just burned out. A. might not B. must not C. could not （2）圆是轴对称图形，直径所在的直线是它的对称轴，圆有无数条对称轴。圆是中心对称图形，对称中心为圆心。Keys: 1-5 BCAAC 6-10 BBCBA 11-15 CABBA 16-20 VBACA