(
课件网) Unit 5 UNIT 5 THE VALUE OF MONEY Express modality and talk about future events in the past 1. To learn about the different functions of modal verbs 2. To be able to talk about future events in the past using “would do” and “was / were going to do” Listen to the song and pay attention to modal verbs in the lyrics: There are things that must be done That are not yet begun Things that I must do When I want to be with you Although we’re far apart You’re with me in my heart No one else will do I just want to be with you I want to be with you Can’t you hear me I need you near me I want to be with you I need you near me, my love They are called modal verbs. They are used to express ability, obligation, possibility, intension, request, advice, etc. Modal verbs have many functions as follow: A. necessity B. possibility C. obligation D. request E. advice F. intention Can you give examples of each function Find modal verbs in previous sections and discuss their functions. 需要 可能 职责/义务 要求 建议 意图 A. necessity 表示必要性 e.g. You have to read between the lines because the real messages are often hidden… B. possibility 表示可能和推测 e.g. It may seem lucky to you. C. obligation 表义务性 e.g. Astronauts must wear spacesuits when they work in space because… The functions of modal verbs D. request 表示提出请求或发出指示 e.g. May we ask what you’re doing in this country E advice 表示提出建议 e.g. You’d better not open it. F. intention 表示意图和愿望 e.g. What would you do if you were in her situation 情态动词有一定的意义，表示或暗示某种情绪或态度，表示可能、建议、愿望、必要、允许、能力等。大多数情态动词有多个意义。 2. 情态动词没有人称和数的变化，即不随主语的不同而变化。 3. 情态动词不能独立使用，须后接动词原形，一起构成谓语动词。 情态动词 用法 例句 表示能力 The little boy can read and write. I could feel the ground shaking. 表示可能和推测 Those of you who are familiar with the game will know this. They made a bet which would settle their argument. Oh, you must be Sylvia’s husband. It may seem lucky to you but not to me! That might not be true. There ought to be enough space for all of us. 4. 情态动词的表意功能 用法 例句 表示许可或禁止 You can go off duty now. You can’t open it until two o’clock. You may not smoke in here. You shouldn’t take her help for granted. You mustn’t do that. 表示发出指示或提出请求 Will you please take her to the library Could you offer me work here Can I ask a question May we ask what you’re doing in this country 用法 例句 表示提出建议 You could ask the teacher for help. You should write him a letter. You’d better serve him quick and get him out quick. The cookies Susan made are delicious. You ought to try some. 表示愿望 Would you recommend the play to other people I would like to know the date. I’d love to go to your birthday party. I’d rather not pay you now. 表示义务和需要 You must come at once. We have to wear uniforms at school. I ought to b ... ...
