Module 11,Way of life,Unit 3 Language in use,Guess the words from this module.,Example,chopsticks,Lead-in,You use it to save your money. You use it to play. You wear it on your head. You use it to look up new words. Something for you to watch. You use it to play chess.,purse,toy,baseball cap,dictionary,DVD,chess set,表示主观的义务和必要, 主要用于肯定句和疑问句中, 意思为 “必须，得，要”；由must引起的疑问句，肯定回答要用must或have to, 否定回答要用neednt或dont have to, 意思是“不必”；must的否定形式mustnt表示禁止，意思是“不能，不许”。,Language practice must的用法,e.g: We must find a good method to learn computer well. Must I finish the task right now? Yes, you must. / Yes, you have to. (No, you neednt. / No, you dont have to. ) You mustnt come here without permission.,2) 表示肯定的猜测，常用于肯定句中，意为 “一定是, 必然”。 e.g. Your sister must be a doctor in this hospital. ( 对现在的猜测 ) He must be reading newspapers in the reading room now.（对正在进行的猜测） It must have rained last night, for the ground is wet.（对过去的猜测）,can 的用法,can的否定形式为cannot，缩写为cant。 1) 表示能力。 I cant swim. Can you drive？ 注意：can表示能力可和be able to互换使用，且后者有更多的时态，be able to常被用来表示can所不能表示的将来或完成的概念。 They will be able to run this machine on their own in three months.,2) 表示可能性，意思是：可以，可能。 That big cinema can seat 2,000 people. He can be very friendly at times. 3) 表示允诺，意思是：可以，能够。 You can have the book when I have finished it. Can I use your pen？ 4) 表示惊异、不相信、猜测等（用于疑问句、否定句或感叹句中），意思是：会，可能。 This cant be true. Can it be true？,School rules 1.You _ be late for school. 2.You _ eat in the library. 3.You _ ride your bike in the playground. 4.You _ do your homework. 5.You _ listen to the teacher.,Complete the sentences with must or mustnt.,mustnt,mustnt,mustnt,must,must,Work in pairs. Tell each other three things you must do at home and three things you mustnt. Are your home rules different or the same? I must visit my grandparents once a week. I mustnt smoke. I must I mustnt,Have a free talk,Module task Write advice for foreign guests to a Chinese family.,What must you wear? What mustnt you ask? What presents must you bring? 4. What presents mustnt you give? 5. What must you do when you visit someone at home?,句型攻关 1. 你一定不要在中国新年的第一天打扫卫生。 You _ _ _ _ on the first day of the Spring Festival. 2. 在街上你也不常听到人们大声喊叫。 And you dont often _ people _ in the street.,mustnt do any cleaning,hear,shouting,3. 新娘不能准时到达教堂, 必须要晚几分钟。 Then the bride _ _ _ the church _ _ _ a few minutes late.,mustnt arrive at,on time but,Homework Write some advice for foreign visitors to a Chinese family.,Confidence in yourself is the first step on the road to success. 自信是走向成功的第一步。,