外研版(2019)必修第二册Unit1 Food for thought- Using Language课件(24张PPT)

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名称 外研版(2019)必修第二册Unit1 Food for thought- Using Language课件(24张PPT)
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版本资源 外研版(2019)
科目 英语
更新时间 2022-04-10 23:00:22

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(共24张PPT)
基于大观念的单元整体教学设计
Unit 1 Food for Thought
理解多元饮食文化
养成健康饮食习惯
培养美食文化自信
Lesson 1: Starting out & Vocabulary
了解饮食相关话题词汇
Lesson 2: Understanding ideas
了解各国特色美食
学会欣赏尊重饮食文化差异
Lesson 3: Using language
学会用情态动词对餐桌礼仪提议
掌握如何对美食进行多角度评价
Lesson 4: Listening & Speaking
学习并谈论如何保持健康饮食
Lesson 5: Developing ideas
了解不同饮食习惯,对饮食习惯进行评判,改善自己的饮食结构
Lesson 6: Writing
创写菜谱(介绍美食)
Lesson 7: Presenting ideas & Reflection
向联合国举荐一道中国美食:介绍并推荐
单元大观念
了解各国特色美食,学会理解并描述不同饮食文化异同,提升多元文化视野;学习均衡饮食结构,养成健康的生活方式;了解中国饮食文化特色,介绍并推荐中国特色美食,培养文化自信。
Unit 1
Food for thought
Using Language
Modals(1)
Look at the sentences from the reading passage.
Pay attention to the words in bold.
I was able to hold a knife and fork—and chopsticks!
But there are still some dishes that Dad dare not try even after many years of marriage to my mother.
Mum and I just have to find a way to get him into the kitchen.
We’d better not eat too much roast food as it may make us suffer from heat inside our bodies.
“You needn’t try it if you don’t want to,” Mum said.
Modals
What are modals
In English grammar, a modal, also known as a modal auxiliary or modal verb, is a verb that combines with infinitive without ‘to’ (不带to的不定式) to express possibility, certainty, permission, request, ability and etc.
Match the meanings to the words in bold.
1 be afraid to do something
2 not be necessary to do something
3 give advice to do or not to do something
4 be necessary or give strong advice to do something
5 have the ability to do something
I was able to hold a knife and fork—and chopsticks!
But there are still some dishes that Dad dare not try even after many years of marriage to my mother.
Mum and I just have to find a way to get him into the kitchen.
We’d better not eat too much roast food as it may make us suffer from heat inside our bodies.
“You needn’t try it if you don’t want to,” Mum said.
b
e
d
c
a
1. be able to
Meaning: to indicate ability
It should be changed into correct forms according to different situations.
Use ‘be able to’ to fill the blanks.
Up till now, he _________________get in touch with her.
You ____________speak perfect English very soon.
I regret ________________help her.
hasn’t been able to
will be able to
not being able to
1. be able to
What’s the difference between ‘be able to’ and ‘can/could’
be able to V.S. can
Examples:
He can swim.
I’m able to express my idea in a clear way.
I could / was able to play the piano when I was young.
They are used to indicate ability.
be able to V.S. can
‘was/were able to’ means that you succeeded in doing sth or managed to do sth in the past.
Examples
He could swim across the river.
Though he was sick, he was able to swim across the river.
We could reach the top of the mountain.
After five hours of climbing, we were able to reach the top of the mountain.
Though he was sick
After five hours of climbing
Benny, the Polish scientist, has spent his lifetime studying active volcanoes and deep caves in all parts of the world. In 1948, he went to a lake in the Congo to observe a new volcano which he later named Kituro. Benny 1______________ set up his camp very close to the volcano while it was erupting violently. Though he managed to take a number of brilliant photographs, he 2______________ stay near the volcano for very long. He noticed that a river of liquid rock was coming towards him. It threatened to surround him completely, but Benny managed to escape just in time. He waited until the volcano became quiet and he 3_______________return two days later. This time, he managed to climb into the mouth of Kituro so that he 4______________ take photographs and measure temperatures. Benny has often risked his life in this way. He 5______________ tell us more about active volcanoes than any man alive.
was able to
couldn’t/wasn’t able to
was able to
could
has been able to
2. had better
Meaning: to express suggestions, hopes and warnings
Form: had better do sth
She’d better get here soon, or she’ll miss the opening ceremony.
They had better not be late.
3. dare & need
Meaning: to be brave enough to do sth
Dare he climb the tree ---No, he dare not.
He dare not go there because it is very dangerous.
He doesn’t dare to cross the river.
He dares to cross the river.
ordinary verb
3. dare & need
Meaning: to show that sth is necessary
You needn’t seem him, but I must.
Need I finish the work today
You need to see him.
The bike needs repairing/to be repaired.
ordinary verb
4. have to
Meaning: to indicate obligations.
‘have to’is a semi-modal verb. It is like a modal verb because it fulfils a specific function, but it behaves like an ordinary verb in its formulation.
It has different forms according to number, person and tense:
I have to; he has to; she had to etc.
4. have to
Meaning: to indicate obligations.
② Think : what’s the negative form of ‘have to’
I don’t have to. She doesn’t have to.
③ It can combine with other modal verbs:
You will have to. He might have to.
In terms of obligation and advice, what’s the difference between ‘have to’, ‘must’ and ‘should’
4. have to
Conclusion
Obligation Advice
have to obligations which depend on circumstances situational/external strong advice
must obligations that you feel strongly about personal strong advice
should weak obligations (may come from tradition, customs or culture) correct/right thing to do neutral advice
Let’s practice!
If you 1________(dare) try a ‘painful’ diet to stay healthy, this new app is the perfect solution—and you 2_______(need) pay for it! The app works by quickly showing photos of different food. All you 3______(have) to do is select the photos of healthy food. Then you 4_____________(be able to) train your brain to select healthy food in real situations. So, if you’re a sugar addict and 5_________(able) to say no to chocolate or cola, you 6_____(have) better download it now!
daren’t
needn’t
have
will be able to
aren’t able
had
Complete the passage with correct forms
Complete the tips for good table manners with correct forms.
have to
dare not
had better
needn’t
be able to
have to
dare
had better
need
be able to
1. John, look at the time. ____ you play the piano at such a late hour
A. Must B. Can C. May D. Need
2. Lucy doesn’t mind lending you her dictionary.
---She ____. I‘ve already borrowed one.
A. can’t B. mustn’t C. needn’t D. shouldn’t
3. Some aspects of a pilot’s job ___ be boring, and pilots often ___ work at inconvenient hours.
A. can; have to B. may; can
C. have to; may D. ought to; must
4. Most of the big hotels were full at this time of the year, but finally we ____ find a room in one of those small guest houses near the station.
A. ought to B. could C. were able to D. might
Thank you