资源简介

(共21张PPT)
Unit 2
Stay Healthy
Section A
4a~4d 语法课
人教版（新教材）
Learning Aims
1
掌握情态动词should与could的基本含义与用法。
2
掌握反身代词的构成、基本用法及其在句子中的功能。
3
结合生活实际，在模拟对话中正确运用所学情态动词(should, could)与反身代词为不同健康问题提出合理建议。
Review : match the phrases with the rules.
1
Lead in
have + a + sore + 身体部位
have + a/an + 身体部位-ache
have + a + 疾病
have a cold 感冒
have a fever 发烧
have a cough 咳嗽
have the flu 流感
have a stomachache 头疼
have a toothache 牙疼
have a headache 头疼
have a backache 背疼
have a sore back 背疼
have a sore throat 喉咙痛
Look at the picture and answer the questions as doctors and patients.
2
What’s wrong
You shouldn’t eat so much next time.
I ate too much last night. Now _________________ .
I have a stomachache
Look at the picture and answer the questions as doctors and patients.
2
What’s the matter
I have a really bad _________ .
You should see the dentist and get an X-ray.
You could eat some soft food for now.
toothache
Look at the picture and answer the questions as doctors and patients.
2
How did you hurt yourself
I _________ when I fell off my bike.
hurt myself
Be more careful next time. If we are not careful, we can easily hurt ourselves.
Work on 4a. Read the sentences. Underline the modal verbs for advice and circle the reflexive Pronouns.
3
反身代词
What’s wrong I ate too much last night. Now my stomach aches. You shouldn’t eat so much next time.
What’s the matter I have a really bad toothache. You should see the dentist and get an X-ray. You could eat some soft food for now.
How did you hurt yourself I hurt myself when I fell off my bike. Be more careful next time. If we are not careful, we can easily hurt ourselves.
Grammer Presentation
情态动词
Learn the usage of modal verbs “should” and “could”.
4
情态动词should和could的用法
1. 情态动词 should, could 后接_________，无_________的变化。
2. should, could______单独作谓语，只能和其他动词一起构成谓语。
3. 否定形式是在其后加_____；变为一般疑问句时，将should, could
放 ______。
动词原形
人称和数
不能
句首
not
Learn the usage of modal verbs “should” .
5
should
的用法
（1）用于委婉地提出建议或劝告，意为“应该”
You should have three meals a day on time.你应该按时吃一日三餐。
（2）用于表达义务或责任，意为“应该；应当”
Each of us should study hard. 我们每个人都应该努力学习。
（3）表示推测，意为“应该会；可能”
Doing calligraphy should be interesting. 练习书法应该会很有趣。
（4）用于责备、命令或要求，语气比较强烈。
You shouldn’t be scared of making mistakes. 你不应该害怕犯错。
（5）用于征求对方的意见，意为“应该；应当”，常用于主语是第一人称的疑问句中。
What should we do now 我们现在应该做什么呢？
Learn the usage of modal verbs “could” .
6
could
的用法
（1）表示建议。 You could eat out tonight. 今晚你可以上馆子吃饭。
（2）用于向对方委婉地提出请求或征求对方的许可。
Could you take out the rubbish 你能倒垃圾吗？（提出请求）
Could I go on an outing with you 我可以和你一起出外游玩吗？（征求对方许可）
（3）could 为can 的过去式，表示能力。
He could ride a bike at the age of five. 他五岁时就会骑自行车。
（4）表示推测，意为“可能”。
The book could belong to Lily because she likes reading books.
那本书可能是莉莉的，因为她喜欢读书。
Learn the usage of reflexive pronouns.
7
Reflexive Pronouns 反身代词
反身代词是英语中表达“······自己；本身”含义的一类代词。有
人称和数之分。它由第一人称、第二人称形容词性物主代词和第三人称人称代词宾格形式在词尾加-self 或-selves 构成。具体见下表：
人称 单数 复数
第一人称
第二人称
第三人称
myself
ourselves
yourself
yourselves
themselves
himself herself itself
Learn the usage of reflexive pronouns （反身代词）.
8
用
法
（1）作动词（短语）的宾语或介词的宾语
She taught herself English. 她自学了英语。
They should learn to look after themselves. 他们应该学着照顾自己。
The little boy went to school by himself. 那个小男孩自己去上学了。
（2）作同位语：反身代词常用作主语或宾语的同位语，用于强调。
He himself built the house. 他自己建造了那座房子。
You should go and ask Tom himself.你应该去问问汤姆本人。
（3）作表语：反身代词可放在be，feel，seem，look 等系动词后作表语，用来描述身体或精神方面的感觉或状态。
Just be yourself. 做好你自己。
Learn the usage of reflexive pronouns.
9
Reflexive Pronouns
(4)含反身代词的一些常见搭配
enjoy oneself 玩得开心
by oneself 独自，单独
teach oneself 自学
learn by oneself 自学
for oneself 为自己
dress oneself 自己穿衣服
say to oneself 自言自语
help oneself to 自取，随便吃
Work on plete the sentences using the correct reflexive pronouns.
10
1. The girl cleaned the cut on her arm by ______.
2. Be careful when you’re using the knife! Don’t cut ______.
3. After taking the safety training, we can enjoy ________ in the mountains.
4. Mr Liu knows how to take care of his health because he used to be a doctor ______.
5. The students are young, but they know how to protect ___________.
6. Her clearest memory is not of the race ______, but the terrible pain in her legs the next day.
herself
yourself
ourselves
himself
themselves
itself
作介词宾语
作动词宾语
作动词宾语
作同位语
作同位语
作动词宾语
Practice
Work on 4c. Complete the passage with should, shouldn’t, or could.
11
Mobile phones are useful, but you ______ use them wisely. To protect your eyes, every 20 minutes, you ______ rest your eyes and look at something far away. What’s more, you ______ change your screen’s brightness to try and match your environment and make the words on the screen bigger. Of course, you ______ look at your phone just before you go to bed, and you certainly ______ look at it when you cross the road! In fact, you ______ avoid using your phone too often. You ______ listen to music instead of watching videos. You ______ also talk to your friends instead of sending them messages.
should
should
could
shouldn’t
shouldn’t
should
could
could
should强建议 could弱建议
Group work: work on 4d.
12
Production
Do you have a sore throat / bad cold / ...
Did you fall from your bike / cut yourself / ...
You should / could /shouldn’t ...
For example
Do you have a sore throat
Did you fall from your bike yesterday
You should get an X-ray and have a good rest for a few days.
No, I don’t.
Yes. My right leg hurts.
Make a summary by yourselves.
13
反身代词
构成
用法
第一二人称
第三人称
形代+self/selves:
myself ourselves yourself yourselves
宾格+self/selves:
himself herself itself themselves
作宾语
作同位语
固定搭配
Think about it and ask yourself.
Did you see the manager himself
I cooked the dinner myself.
You’d better ask the dentist herself.
by oneself 独自; for oneself 亲自;
enjoy oneself 玩的高兴;
teach oneself 自学 ...
Summary
Make a summary by yourselves.
14
should
could
“应该；应当”
后接动词原形
强建议
“应该；可以”
后接动词原形
弱建议
When you have the flu, you should wear a mask when you’re outside.
We shouldn’t judge a book by its cover.
If you want to say sorry, you could call him.
Do the homework happily.
15
作 业 布 置
Homework
规则整理：
在笔记本上绘制思维导图或表格，总结反身代词的构成、三种主要用法（动词宾语、介词宾语、同位语）及2个固定搭配；并列出 should 与 could 表示建议时的核心区别。
句子演练：
用 should, shouldn't, could 各造两个句子，针对“保持健康”或“高效学习”给出建议。
用反身代词 (myself, yourself, himself, themselves 中任选四个) 各造一个句子。
人教版（新教材）
Thank
You

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