Unit 5 Period 3 Discovering Useful Structures 课件 2023-2024学年高一英语人教版（2019）必修第三册

(共19张PPT)
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
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 doing in this country Could you offer me work here Would you please pass me the salt Can you wait a moment, please Summary:Modal verbs are used to express ___________
possibility
request
Group 5:You should be studying harder.We’d better make a bet.We ought to find the perfect person for our bet.Summary:Modal verbs are used to express ___________ Group 6:You mustn’t worry about that.You can’t open it until two o’clock.You’d better not open it.Summary:Modal verbs are used to express _____________ Group 7:I would rather do it myself.Summary:Modal verb is used to express ___________
advice
negative advice
intention
Activity 4: Read the passage and fill in the blanks with suitable modal verbs in the box. Then answer the questions.
may must can ought to might had better would should
In the film The Million Pound Bank Note, Henry Adams is stuck in a foreign country without money and friends, and with nowhere to stay. While this situation ________ seem unusual, it can sometimes happen to travellers. In case it happens to you on a trip abroad, what ________ you do First, and most importantly, you _________ stay calm. Fear _________ cause you to become confused. You need to think clearly.
can
may
should
must
Second, you should go to your nearest consulate. They _________ be able to help to some extent. Third, you _________ do well to check with some local charities. They _______ offer help to travellers in need. Fourth, you _________ avoid getting into trouble. You _________ think that stealing some money or food would help you, but you should not do so. Getting caught _________ ruin your life.
ought to
would
might
had better
might
would
1. How many tips does the author give What are they 2. What is the author’s reason for each tip
1 The author gives four tips. The first tip is that you must stay calm. The second tip is that you should go to your nearest consulate. The third tip is that you would do well to check with some local charities. The last tip is that you had better avoid getting into trouble.2 The first reason is that fear can cause you to become confused and you need to think clearly. The second reason is that the consulate ought to be able to help to some extent. The third reason is that the charities might offer help to travellers in need. The last reason is that getting caught would ruin your life.
Activity 5: Work in pairs. Discuss the scene from The Million Pound Bank Note on page 52 and share your understanding of the story. Use modal verbs when necessary. The example below may help you.
EXAMPLEA: I think it's kind of Roderick and Oliver to give Henry the money.B: I'm afraid I disagree.They shouldn't be making a bet on him.A: But Henry might get into trouble if they didn't offer him the money.B: Well, if they really wanted to help Henry, they could offer him a job.A: Maybe you're right. But I guess that would be a different story...
Sample conversationA: Do you think the two brothers are being kind to Henry B: No, I think they ought to tell Henry about the bet.A: I agree. It would be the kind thing to do. Henry could end up in jail because of this.B: Yes. Henry had better return the one-million-pound note to them. It might be dangerous for him to keep it.A: But if he doesn't keep it, what should he do B: I don't know. Maybe he should try to get a job
Activity 1: Read and compare the difference between the sentences.
目标二：To use ellipsis in speaking and writing
A She is going to call me this afternoon.B She was going to call me this afternoon.
A: a future planB: a future plan someone made in the past
a The weather forecast says it will rain, so I’m taking my umbrella.b The weather forecast said it would rain, so I took my umbrella.
a: a prediction of a future eventb: a past prediction of an event which had yet to occur
Definition: The past future tense is used to talk about situations in the past where people were referring to something that will or might happen in the future.
Activity 2: Read the following sentences and identify the meanings of “was/were going to do”.
1. The children were going to play football when it began to rain.
2. We thought it was going to rain but it was a beautiful day.
3. I was going to tell him, but he didn’t give me a chance.
过去计划、安排要做的事
说话人根据当时的迹象推断即将发生的事
过去的打算或计划，但因外界干扰而中断, 常有but出现
Activity 3: Read the following sentences and identify the meanings of “would do”.
1. He said he would be there at 8 o’clock and so he will.
2. They told me that they probably would not grow corn the next year.
3. She burnt the letters so that her sister would never read them.
4. When my parents went on business trips, my grandparents would look after me.
过去承诺要做的事
过去的意愿
过去将要发生的事
过去某个时期常见的情况或习惯性的动作
was/were going to do would do
过去计划、安排要做的事 说话人根据当时的迹象推断即将发生的事 过去的打算或计划，但因外界干扰而中断，常有but出现 多用于非正式场合或口语中 过去的意愿或承诺要做的事
过去将要发生的事
过去某个时期常见的情况或习惯性的动作
除用于口语外，多用于正式场合或书面语中
Activity 4: Complete the following sentences that describe the future using either form of the given verbs.
1. Philip bought two tickets for The Phantom of the Opera. He _______________ ____________________________ (watch) this musical with his girlfriend on the weekend.
2. I was so surprised at the news that David ______________________________
(play) the role of the dinosaur in the play that I gave him a hug out of joy.
3. Lily decided that she ___________________________(settle) in New York and pursue her dream of becoming an actress.
would watch
would play/was going to play
would settle / was going to settle
/was going to watch
4. Hey, Timmy. I _______________(call) you. But now that you are here. I don't have to.
5. The competition was so close that no one was sure who __________(win) the Best Actor award.
6. Jim is not here right now. He said he ______________________ (be) on duty at the library this afternoon.
was going to call
would win
would be / was going to be
1 Can you make some sentences with modal verbs 2 Can you make some sentences with past future tense