资源简介

(共23张PPT)
Unit 2 Stay Healthy
Section A (4a-4d)
让教学更有效
Learning Objectives
To understand and master the basic meanings, structures and usages of the modal verbs “should” and “could”, as well as the formation, basic usages and syntactic functions of reflexive pronouns. Identify and comprehend the usage contexts of modal verbs and reflexive pronouns in grammatical example sentences..
To grasp the core meanings, structures and usages of modal verbs and reflexive pronouns. Recognize and understand their usage contexts in grammatical examples.
To use should/could with real-life examples to give proper advice on different health problems; consciously use reflexive pronouns in writing and speaking to make expressions more accurate and logical.
Watch and Read
Read and Think
What did they say
“ You shouldn’t eat so much next time.”
“ You should see the dentist and get an X-ray.
You could eat some soft food for now. ”
情态动词
should/could
What are they used for
Look and Learn
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
not
句首
Look and Learn
should 的用法
（1）用于委婉地提出建议或劝告，意为“应该”。
eg: You should see the dentist and get an X-ray. 你应该去看牙医，并且拍个 X 光片。
（2）用于表达义务或责任，意为“应该；应当”。
eg: We should take good care of our teeth. 我们应该好好爱护我们的牙齿。
（3）表示推测，意为“应该会；可能”。
eg: Brushing your teeth with this should be interesting. 用这个刷牙应该会很有趣。
（4）用于责备、命令或要求，语气比较强烈。
eg: You shouldn’t eat so much sugar. 你不应该吃这么多糖。
Look and Learn
could 的用法
（1）表示建议，意为“可以”。
eg: You could eat some soft food for now. 你暂时可以吃点软食。
（2）用于向对方委婉地提出请求或征求对方的许可，意为“...能...吗？”。
eg: Could you give me some porridge 你能给我一些粥吗？（提出请求）
（3）表示推测，意为“可能”。
（4）could 为can 的过去式，意为“能，会”。
eg: This bowl could be Nancy’s. 这个碗可能是Nancy的。
eg: Could I eat some porridge 我能吃一些粥吗？（征求许可）
eg: He could eat porridge by himself at the age of one. 他一岁就能自己吃粥了。
Look and Learn
辨析should与could
（1）当你认为“必须”时用should。
eg: You should go to bed early. 你应该早点睡觉。（身体需要）
（2）当你认为“可以做，但可选其它”时用could。
eg: You could read a book or watch a movie. 你可以看书或看电影。（两种选择都可以）
1. You ______ brush your teeth before going to bed. It’s good for your teeth health.
A. could B. should C. can
选择正确的选项。
2. —I have a headache. What should I do
—You ______ have a good rest and drink more warm water.
A. could B. should C. can
选词填空（should/could/shouldn’t/couldn’t）每词可重复。
Look and Practice
1. You ______ eat more vegetables. They are good for your body.
2. My brother ______ play basketball very well when he was 10 years old.
3. We ________ stay up late every night. It’s bad for our sleep.
4. —______ you pass me the health book, please —Sure, here you are.
5. She ______ swim when she was young, so she was afraid of water.
6. —I have a cold. What ______ I do
—You ______ drink more warm water and have a rest.
should
could
shouldn’t
Could
could
should
should
Look and Practice
4c
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
=besides=in addition 除此之外
“代替，而不是”,后接动名词
To protect our eyes, what should we do when we use mobile phone
Think and Answer
To protect our eyes, what should we do when we use mobile phone
First, every 20 minutes, we should rest our eyes and look at something far away.
Second, we could change our screen’s brightness to try and match our environment and make the words on the screen bigger.
Third, we should avoid using our phone too often.
Fifth, we could also talk to our friends instead of sending them messages.
Fourth, we could listen to music instead of watching videos.
What other ways can we do
Get regular eye examination.
Do eye exercises.
Eat food that is good
for your eyes.
...
Watch and Answer
How did Jeff hurt himself What did his friend tell him
How did Jeff hurt himself
Look and Learn
How did Jeff hurt himself What did his friend tell him
Jeff hurt himself when he fell off his bike.
His friend told him, “ Be more careful next time. If we are not careful ,we can easily hurt ourselves.”
反身代词
Reflexive pronouns
Look and Learn
反身代词的含义和形式
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，词尾加-self 或-selves 构成。具体见下表：
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
反身代词的用法
1.可作动词或介词的宾语
My sister bought herself a scarf. 我的姐姐给自己买了一条围巾。
We must look after ourselves very well. 我们必须好好照顾自己。
2.常用在be, feel, look, seem等系动词之后作表语，描述身体、精神等方面的感觉或状态。
I am myself again after the rest. 休息后我又恢复了常态。
3.作主语或宾语的同位语，常用来加强语气，表示亲自或本人。
She herself will fly to London tomorrow. 明天她自己将要坐飞机去伦敦。
I met the writer himself last week. 我上周见到了那位作家本人。
Look and Learn
Look and Learn
自学
摔伤自己
玩得开心
照顾自己
自言自语
相信自己
独自；单独
随便吃/喝……
给自己穿衣服
...
learn sth. by oneself.
hurt oneself.
enjoy oneself.
look after/take care of oneself.
talk to oneself.
believe in oneself.
by oneself.
help oneself to sth.
dress oneself.
...
反身代词固定短语
Look and Practice
Complete the sentences using the correct reflexive pronouns.
4b
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
（祈使句的主语一般为you）
易错题：单句改错。
Look and Practice
The little girl can look after her. __________
He didn’t finish the work by him. __________
I with my friends enjoyed me at the zoo. __________
Did you learn English by you last year __________
She is old enough to dress her. __________
Don’t cut himself carelessly! __________
herself
himself
myself
yourself
herself
yourself
Guess and Say(Group work)
4d
Act out an illness or injury. Have the others guess what it is and give advice.
Do you have a sore throat / bad cold/ ...
Did you fall from your bike / cut yourself/...
You should/ could/ shouldn’t...
Acting Pronunciation Fluency
Summary
The usages of the modal verbs “should” and “could”
The basic usages and syntactic functions of reflexive pronouns
Teacher’s Words
We should put health first and try our best to take good care of ourselves !
Homework
Basic(必做)
绘制思维导图总结本堂课的核心语法。
Improving(选做)
利用should/could列出是10条对身体有益的建议。
Extend(选做)
利用网络资源搜寻国内外中学生普遍存在的健康问题并在班级分享。
Thank you！
让教学更有效

展开更多......

收起↑