Unit 5 The Value of Money Discovering useful structures 课件(共30张PPT-人教版(2019)必修第三册
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| 名称 | Unit 5 The Value of Money Discovering useful structures 课件(共30张PPT-人教版(2019)必修第三册 |  | |
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| 文件大小 | 2.7MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2025-10-08 07:47:07 | ||
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(共30张PPT)
The Value of Money
Unit 5
Discovering useful structures
What does Francis Bacon’s saying mean in Chinese
金钱是善仆，也是恶主
Learning objectives
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”.
Modal verbs
情态动词
Leading-in
May we ask what you're doing in this country and what your plans are
I can't say that I have any plans.
You mustn't worry about that.
Could you offer me work here
Read the sentences below and think about:
What are the functions and meanings of these modal verbs
A. necessity B. possibility C. obligation
D. request E. advice F. intention
The functions of modal verbs
You have to read between the lines because the real messages are often hidden…
It may seem lucky to you.
It is your job and you must do it at once.
May we ask what you’re doing in this country
You should/ought to/had better go to class right away.
What would you do if you were in her situation
necessity
possibility
obligation
request
advice
intention
A. necessity B. possibility C. obligation
D. request E. advice F. intention
必要性
可能性
职责/义务
要求/请求
建议
意图/愿望
1. You needn’t try it if you don’t want to.
2. The man can speak two foreign languages.
3. The poor boy had to face the problem bravely.
情态动词_______独立作谓语，只能和_________一起构成谓语，没有数的变化，具有助动词功能。
情态动词的定义
不能
情态动词 (Modal verb)
情感 & 态度
动词原形
may / might
must / have to
shall / should
will / would
ought to
need / dare
can / could
Modal verbs
modal verbs
1.只作情态动词的：
2. 可情态可实义的：
3. 可情态可助动词的:
4. 相当于情态动词的:
情态动词的分类
can/could, may/might, ought to, must
need, dare
shall/should, will/would
have to, used to
情态动词的用法
can & could
She can speak English.
She could play the piano at the age of three.
(1) 表能力，“能，会”
Can I smoke here —Could I use your computer
—Yes, you can.
(2) 表请求和许可，“可以”，could比can更加委婉，表示礼貌
(3) can表客观可能性，“有时候会”，用于肯定句
A wise man can sometimes make a mistake.
(4) can表推测，用于疑问句、否定句。肯定句用must
Can the news be true
He can’t be at home because I saw him here just now.
can/could与be able to的区别
1. The man can/could speak two foreign languages.
2. Yesterday I was able to get home before the heavy rain.
can/could表示_________________，而be able to通常表示通过努力达成的_____________; can/could 主要是一般现在、一般过去时, 而be able to有较为丰富的时态变化。
习惯性具备的能力
一次性的能力
注意：was/were able to“设法做成某事”，相当于managed to do sth/ succeeded in doing sth
may & might
1. 表示请求或允许，译为“可以”。might语气较委婉 (但并非表示过去)。
I wonder if I might ask you a favor
You may tell him this.
2. 表示推测, 译为“可能”。might比may所表示的可能性更小。
That may/might not be true.
3. may放在句首，表示祝愿。 May God bless you!
4. may/might well (很可能); may/might as well (不妨，还是...为好);
You may well be right. 你很可能是对的。
It’s freezing cold outside. We may as well stay at home.
must & have to
Must
1. must表示“必须”(侧重于主观意愿); mustn’t 表示“禁止”。
Must I do my homework now You mustn't smoke here.
2. must表示推测，译为“准是，一定是”(只用于肯定句)。
若用于否定句或疑问句，则用can’t (一定不是)。
That can't be the only way. There must be other ways of solving the problem.
Have to
“必须，不得不”，表示客观需要。而must表示说话人的主观看法。
I don’t have to get up early. I had to get up early.
will & would
1. 表示意愿、意志
If you will help me with my English, I will be very happy.
2. 在疑问句中，用于第二人称，表示请求或征求意见，would比will语气更委婉
Will/Would you please give me a hand
3. 表示习惯性的动作，“总是，常常”
The old man is strange. He will sit for hours without saying anything.
When I was a child, my mother would read me a story every night.
shall & should & ought to
Should/Ought to
1. 表示义务或责任, 译为为“应该”。
We should/ought to learn from each other.
2. 表示建议或劝告，译为为“可以，应该”。
You should/ought to try your best to better your performance.
3. 表示推断, 译为”应该”, “可能”, “按道理会”。
They should/ought to be there by now.
4. should表示意外或惊讶，译为“竟然”。
It's strange that he should come so late.
shall & should & ought to
shall
shall 用于第一、三人称疑问句中，表示说话人征求对方的意见和向对方请示，“…好吗？要不要…？”
Shall I open the window for you
Shall he fetch some water for you
shall 用于第二、三人称陈述句中，表示说话人给对方的许诺、命令、警告、威胁。
You shall do as I say.
Tell him that he shall have the book tomorrow.
He shall be punished.
dare
1. 作情态动词，译为“敢”，通常只用于否定句、疑问句以及if或whether之后，一般不用于肯定句。(无人称变化，有过去式dared)
Dare you tell her the truth
I daren't ask her this question.
2. 作实义动词，译为“敢于”，通常为“dare to do sth” (有人称与时态的变化）
She dares to go alone.
She doesn’t dare to go alone.
She didn’t dare to go alone.
need
1. need用作情态动词，表示“需要、有必要”(无时态与人称的变化)。
Need we do it first
You needn't tell him about it this afternoon.
(否定时，直接在情态动词后+not)
2．由need引出的一般疑问句的肯定回答常用must或have to，而否定回答则常用needn't或don't have to。
—Need I go now
—Yes, you must. /No, you needn't.
need
3. need还可作实义动词，此时有人称、时态和数的变化，后面接带to 的动词不定式。常用的结构有两个：
(1) sb. need(s) to do sth.意为“某人需要做某事”
(2) sth. need(s) doing/to be done 意为“某事/某物需要被……”
doing 用主动形式表示被动，sth.是 do 所表示动作的承受者。
明天我需要早起。
我的自行车需要修理。
I need to get up early tomorrow.
My bike needs repairing. My bike needsto be repaired.
had better
had better 是固定词组 ，表示对别人的劝告、建议或者表示一种愿望，意为“最好”。
You'd better not take the book away.
注意： 此固定词组不论人称、不论时态，只能用“had better”。
Now you/we/he had better listen to the teacher.
Read the passage and fill in the blanks with suitable modal verbs in the box.
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. 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.
may
should
must
can
ought to
would
might
had better
might
would
The Past Future Tense
过去将来时
过去将来时( The Past Future Tense)
过去将来时表示在过去某一时间将要发生的动作或存在的状态。过去将来时常用在主句谓语动词为过去时态的宾语从句中。过去将来时句子中有时包含时间状语 the next day, soon等。
1. I asked him if Peter would arrive the next day.
2. She told me she was going to post the parcel.
3. We were about to go there when it begin to rain.
4. She didn't say when she was coming again next time.
5. I felt nervous because I was soon to leave home for the first time.
6. We were to have been married last year.
would+动词原形
was/were going to+动词原形
*与would+动词原形相比，was/were going to+动词原形有打算、计划的含义。
was/were about to + 动词原形
go, come, leave, start, meet等动词的过去进行时，表示就过去的某一时刻而言即将发生的动作。
was/were to do; 表示曾经计划做某事，并且从现在看已经实现。
当表示“原计划做某事但是最终未发生”，用was/were to have done.
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) 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
/ was going to watch
would play /
was going to watch
would settle / was going to settle
Practice
Complete the following sentences that describe the future using either form of the given verbs.
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.
Practice
was going to call
would win
would be /
was going to be
Homework
Finish the exercises about the modal verbs and the past future tense.
THANKS
感谢观看
The Value of Money
Unit 5
Discovering useful structures
What does Francis Bacon’s saying mean in Chinese
金钱是善仆，也是恶主
Learning objectives
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”.
Modal verbs
情态动词
Leading-in
May we ask what you're doing in this country and what your plans are
I can't say that I have any plans.
You mustn't worry about that.
Could you offer me work here
Read the sentences below and think about:
What are the functions and meanings of these modal verbs
A. necessity B. possibility C. obligation
D. request E. advice F. intention
The functions of modal verbs
You have to read between the lines because the real messages are often hidden…
It may seem lucky to you.
It is your job and you must do it at once.
May we ask what you’re doing in this country
You should/ought to/had better go to class right away.
What would you do if you were in her situation
necessity
possibility
obligation
request
advice
intention
A. necessity B. possibility C. obligation
D. request E. advice F. intention
必要性
可能性
职责/义务
要求/请求
建议
意图/愿望
1. You needn’t try it if you don’t want to.
2. The man can speak two foreign languages.
3. The poor boy had to face the problem bravely.
情态动词_______独立作谓语，只能和_________一起构成谓语，没有数的变化，具有助动词功能。
情态动词的定义
不能
情态动词 (Modal verb)
情感 & 态度
动词原形
may / might
must / have to
shall / should
will / would
ought to
need / dare
can / could
Modal verbs
modal verbs
1.只作情态动词的：
2. 可情态可实义的：
3. 可情态可助动词的:
4. 相当于情态动词的:
情态动词的分类
can/could, may/might, ought to, must
need, dare
shall/should, will/would
have to, used to
情态动词的用法
can & could
She can speak English.
She could play the piano at the age of three.
(1) 表能力，“能，会”
Can I smoke here —Could I use your computer
—Yes, you can.
(2) 表请求和许可，“可以”，could比can更加委婉，表示礼貌
(3) can表客观可能性，“有时候会”，用于肯定句
A wise man can sometimes make a mistake.
(4) can表推测，用于疑问句、否定句。肯定句用must
Can the news be true
He can’t be at home because I saw him here just now.
can/could与be able to的区别
1. The man can/could speak two foreign languages.
2. Yesterday I was able to get home before the heavy rain.
can/could表示_________________，而be able to通常表示通过努力达成的_____________; can/could 主要是一般现在、一般过去时, 而be able to有较为丰富的时态变化。
习惯性具备的能力
一次性的能力
注意：was/were able to“设法做成某事”，相当于managed to do sth/ succeeded in doing sth
may & might
1. 表示请求或允许，译为“可以”。might语气较委婉 (但并非表示过去)。
I wonder if I might ask you a favor
You may tell him this.
2. 表示推测, 译为“可能”。might比may所表示的可能性更小。
That may/might not be true.
3. may放在句首，表示祝愿。 May God bless you!
4. may/might well (很可能); may/might as well (不妨，还是...为好);
You may well be right. 你很可能是对的。
It’s freezing cold outside. We may as well stay at home.
must & have to
Must
1. must表示“必须”(侧重于主观意愿); mustn’t 表示“禁止”。
Must I do my homework now You mustn't smoke here.
2. must表示推测，译为“准是，一定是”(只用于肯定句)。
若用于否定句或疑问句，则用can’t (一定不是)。
That can't be the only way. There must be other ways of solving the problem.
Have to
“必须，不得不”，表示客观需要。而must表示说话人的主观看法。
I don’t have to get up early. I had to get up early.
will & would
1. 表示意愿、意志
If you will help me with my English, I will be very happy.
2. 在疑问句中，用于第二人称，表示请求或征求意见，would比will语气更委婉
Will/Would you please give me a hand
3. 表示习惯性的动作，“总是，常常”
The old man is strange. He will sit for hours without saying anything.
When I was a child, my mother would read me a story every night.
shall & should & ought to
Should/Ought to
1. 表示义务或责任, 译为为“应该”。
We should/ought to learn from each other.
2. 表示建议或劝告，译为为“可以，应该”。
You should/ought to try your best to better your performance.
3. 表示推断, 译为”应该”, “可能”, “按道理会”。
They should/ought to be there by now.
4. should表示意外或惊讶，译为“竟然”。
It's strange that he should come so late.
shall & should & ought to
shall
shall 用于第一、三人称疑问句中，表示说话人征求对方的意见和向对方请示，“…好吗？要不要…？”
Shall I open the window for you
Shall he fetch some water for you
shall 用于第二、三人称陈述句中，表示说话人给对方的许诺、命令、警告、威胁。
You shall do as I say.
Tell him that he shall have the book tomorrow.
He shall be punished.
dare
1. 作情态动词，译为“敢”，通常只用于否定句、疑问句以及if或whether之后，一般不用于肯定句。(无人称变化，有过去式dared)
Dare you tell her the truth
I daren't ask her this question.
2. 作实义动词，译为“敢于”，通常为“dare to do sth” (有人称与时态的变化）
She dares to go alone.
She doesn’t dare to go alone.
She didn’t dare to go alone.
need
1. need用作情态动词，表示“需要、有必要”(无时态与人称的变化)。
Need we do it first
You needn't tell him about it this afternoon.
(否定时，直接在情态动词后+not)
2．由need引出的一般疑问句的肯定回答常用must或have to，而否定回答则常用needn't或don't have to。
—Need I go now
—Yes, you must. /No, you needn't.
need
3. need还可作实义动词，此时有人称、时态和数的变化，后面接带to 的动词不定式。常用的结构有两个：
(1) sb. need(s) to do sth.意为“某人需要做某事”
(2) sth. need(s) doing/to be done 意为“某事/某物需要被……”
doing 用主动形式表示被动，sth.是 do 所表示动作的承受者。
明天我需要早起。
我的自行车需要修理。
I need to get up early tomorrow.
My bike needs repairing. My bike needsto be repaired.
had better
had better 是固定词组 ，表示对别人的劝告、建议或者表示一种愿望，意为“最好”。
You'd better not take the book away.
注意： 此固定词组不论人称、不论时态，只能用“had better”。
Now you/we/he had better listen to the teacher.
Read the passage and fill in the blanks with suitable modal verbs in the box.
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. 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.
may
should
must
can
ought to
would
might
had better
might
would
The Past Future Tense
过去将来时
过去将来时( The Past Future Tense)
过去将来时表示在过去某一时间将要发生的动作或存在的状态。过去将来时常用在主句谓语动词为过去时态的宾语从句中。过去将来时句子中有时包含时间状语 the next day, soon等。
1. I asked him if Peter would arrive the next day.
2. She told me she was going to post the parcel.
3. We were about to go there when it begin to rain.
4. She didn't say when she was coming again next time.
5. I felt nervous because I was soon to leave home for the first time.
6. We were to have been married last year.
would+动词原形
was/were going to+动词原形
*与would+动词原形相比，was/were going to+动词原形有打算、计划的含义。
was/were about to + 动词原形
go, come, leave, start, meet等动词的过去进行时，表示就过去的某一时刻而言即将发生的动作。
was/were to do; 表示曾经计划做某事，并且从现在看已经实现。
当表示“原计划做某事但是最终未发生”，用was/were to have done.
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) 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
/ was going to watch
would play /
was going to watch
would settle / was going to settle
Practice
Complete the following sentences that describe the future using either form of the given verbs.
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.
Practice
was going to call
would win
would be /
was going to be
Homework
Finish the exercises about the modal verbs and the past future tense.
THANKS
感谢观看