Unit 5 The Value of Money Discovering Useful Structures 课件-2023-2024学年高一英语人教版（2019）必修第三册

人 教 必 修 第三册 Unit 5 Discovering Useful Strutures Express modality and talk about future events in the past 1 2 To understand the usage of modal verbs and use them to express modality To use “would do” or “was/were going to do” to talk about future events in the past 学习目标 目标一: To review the meanings and functions of some modal verbs and use them correctly Activity 1: Read the following sentences and translate them into Chinese. How do modal verbs change the meanings of the sentences? A. The exam may be difficult. a. The exam is difficult. B. You should be studying harder. b. You are studying harder. C. I can study all night during the semester. c. I study all night during the semester. A and C express possibilityB expresses advicea, b and c express fact Activity 2: Modal verbs have many functions, including the following (A—F). Find modal verbs in previous sections and discuss their functions. A necessity B possibility C obligation D request F advice G intention A necessity: You have to read between lines because the real messages are often hidden. B possibility: It may seem lucky to you.C obligation: Astronauts must wear spacesuits when they work in space because...D request: May we ask what you’re doing in this country?E advice: You’d better not open it.F intention: What would you do if you were in her situation. Activity 3: Look at the following groups of sentence (s), summarise the function of the modal verbs. Group 1:You needn’t have stayed.You have to read between the lines because the real messages are often hidden. Summary:Modal verbs are used to express ___________Group 2:If you lose the bet, you must pay £20,000.Summary:Modal verb is used to express ___________ necessity obligation Group 3:You must be joking. We can discuss it now. A man could live a month in London.It may seem lucky to you, but not to me.What might have happened?Summary:Modal verbs are used to express ___________Group 4:May we ask what you’re