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https://book.21cnjy.com/studio/detail id=2032
What should we do when we don’t feel well
(Section A Grammar)
人教版（2024） 八年级下册
Unit 2 Stay Healthy
通过本节课学习，我能够：
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。
Learning objectives
Review
What’s wrong with David
He has a stomachache.
What was the doctor’s advice
He shouldn’t eat so much next time, and needed to avoid soft drinks as the gas could make the ache worse.
Do you remember the three students’ health problems
What was the doctor’s advice
What’s wrong with Nancy
She has a really bad toothache.
What was the doctor’s advice
She might need an X-ray. She could eat some soft food, but no more sweet things. And remember to brush her teeth carefully.
What’s wrong with Jeff
He has a nosebleed.
What was the doctor’s advice
He should press down on his nose, wait for a few minutes. And he should be more careful next time.
What’s wrong with her
She has a runny nose and a fever. Her throat hutrs too. The doctor believes she has the flu.
What was the doctor’s advice
She should take some medicine and drink enough water.
She should also rest at home, and wear a mask when she’s outside.
Read the sentences. Circle the reflexive pronouns.
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.
4a
What rules can
you find out
①（动词）掉落；跌倒 过去式：fell
fall off 从……掉下来 fall down 跌倒；倒塌
②（动词）进入（某状态） 过去式：fell
fall asleep 入睡 fall in love with 爱上 fall into 落入
③（名词）（美式）秋天 in the fall/autumn 在秋季
反身代词
反身代词是一种表示反射或强调的代词，可译为“本人” “本身”。反身代词与它所指的名词或代词形成互指关系，在人称和数上应保持一致。
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。
数 第一人称 第二人称 第三人称
单数 myself 我自己 yourself 你自己 himself 他自己
herself 她自己
itself 它自己
复数 ourselves 我们自己 yourselves 你们自己 themselves
他（她、它）们自己
反身代词
反身代词的用法
(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。
hurt oneself 伤到自己 teach oneself/learn by oneself 自学
enjoy oneself 过得愉快 by oneself 独自；单独
come to oneself 苏醒 help oneself (to) ... 随便吃/喝……
dress oneself 给自己穿衣服 look after oneself 照顾自己
talk to oneself 自言自语 believe in oneself 相信自己
反身代词的常见搭配
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.
Complete the sentences using the correct reflexive pronouns.
herself
yourself
ourselves
himself
themselves
itself
4b
Read the sentences. Underline the modal verbs for advice.
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.
4a
Pay attention to the verbs form following the modal verb. What rules can you find out
情态动词should和could的用法
情态动词should，could 后接动词原形，无人称和数的变化。
should，could 不能单独作谓语，只能和其他动词一起构成谓语。
否定形式是在其后加not；变为一般疑问句时，将should，could 提到主语前。
一、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？
二、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。
Complete the passage with should, shouldn’t, or could.
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.
4c
Let’s watch the video
and check the answers.
Complete the passage with should, shouldn’t, or could.
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
4c
①（动词）适应；符合
Chameleons match the environment by changing their colour.
变色龙通过改变体色来适应环境。
②（动词）相配 match…with… 把…和…匹配
I need a tie to match my suit. 我需要一条领带来配我的西装。
③（名词）比赛；竞赛
a football match 一场足球比赛
Please match these words with the pictures.
请把这些单词和图片匹配起来。
辨析：instead of 与 instead 两者都可意为“代替”。区别如下：
① instead of 介词短语 位于句首或句中，后接名词、代词或
动词-ing形式。
② instead 副词 常位于句首或句末，修饰整个句子。
串记：We shouldn’t use plastic bags. Instead, we should take our own bags. Besides, we should also walk instead of driving to the supermarket．
4d
Do you have a sore throat / bad cold/ ...
Did you fall from your bike / cut yourself/...
You should/ could/ shouldn’t...
4b
Act out an illness or injury. Have the others guess what it is and give advice.
For example
Do you have a sore throat
No, I don’t.
Did you fall from your bike yesterday
Yes. My right leg hurts.
You should get an X-ray and have a good rest for a few days.
Section A (Grammar Focus)
Grammar:
1. reflexive pronouns (反身代词)
Summary
反身代词 用法 1. 作动词（短语）的宾语或介词的宾语
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。
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。
短语 hurt oneself 伤到自己 teach oneself/learn by oneself 自学
enjoy oneself 过得愉快 by oneself 独自；单独
help oneself (to) ... 随便吃/喝…… come to oneself 苏醒
dress oneself 给自己穿衣服 look after oneself 照顾自己
talk to oneself 自言自语 believe in oneself 相信自己
2. modal verbs (情态动词)
情态 动词should和could should的用法 用于委婉地提出建议或劝告，意为“应该”
用于表达义务或责任，意为“应该；应当”
表示推测，意为“应该会；可能”
用于责备、命令或要求，语气比较强烈。
用于征求对方的意见，意为“应该；应当”
could的用法 表示建议。
用于向对方委婉地提出请求或征求对方的许可。
could 为can 的过去式，表示能力。
表示推测，意为“可能”。
Exercise
I. 用括号内所给单词的适当形式填空。
1. When we read books in the library, we should _______ (keep)
quiet there.
2. It’s cold today. I plan to buy a cup of hot coffee to warm ______ (I).
3. We ________ (can) see the stars clearly from our yard when we
lived in the countryside.
4. The summer vacation is coming and it is a good time to improve
__________ (we) in studies.
5. How beautiful the newly-built park is! Visitors can enjoy
___________ (they) when coming there.
keep
myself
could
ourselves
themselves
1. Lisa should put some medicine on the cut.（改为否定句）
Lisa __________ ________ any medicine on the cut.
2. They could plant some flowers in the garden to make it
beautiful.（改为一般疑问句并作肯定回答）
--________ they ________ any flowers in the garden to make it beautiful
--Yes, _______ __________.
3. You should arrive at the park at 8:00 a.m. (对画线部分提问)
________ ________ I ________ at the park
4. Sally could do calligraphy very well last year. (对画线部分提问)
________ ________ Sally ________ very well last year
II. 按要求完成句子，每空一词（含缩略词）。
shouldn’t put
Could
plant
they could/can
When should
arrive
What could
do
Homework
1. Review the modal verbs for advice.
2. Review the usage of reflexive pronouns.
Must do:
Do some related exercises.
Try to do:
THANK
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