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(共25张PPT)
Unit 2　
Stay Healthy
第三课时　Section A
(Grammar Focus 4a—4d)
人教版 八年级 英语（下）
Let’s review!
___________
______________
______________
_______________
________________
______________
have a fever
have a bruised knee
have a sore throat
have a nosebleed
have a runny nose
have a headache
Read the sentences. Underline the modal verbs for advice and circle the reflexive pronouns.
4a
Grammar Focus
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.
情态动词的用法
表建议的情态动词(should、could)
should 和 could 是情态动词，后接动词原形，可以用来表示提议或建议。
1. should
　should用来提建议时，意为“应该；应当；可以”，表达说话人的主观看法，认为做某事是合理、正确或明智的，带有一定的责任或义务意味，语气相对较 强。其否定式是 shouldn't,意为“不应当；不该”。
If you have a headache, you should lie down and rest.
你如果头疼，应该躺下来休息。
We shouldn't spend all our money in one go.
我们不应该一下子把所有钱都花掉。
should的基本用法及示例
用法 示例
表示劝告、建议
表示义务、责任
表示推测、判断
You should answer the question in English.你应该用英语回答这个问题。
We should help people in trouble.
我们应该帮助处于困境中的人们。
They should be at home now， I think.我认为，他们现在应该在家里。
用法 示例
表示惊讶、赞叹、不满等
How should I know
我怎么会知道
should的基本用法及示例
2、could
could也可以用于提建议，意为“可以”，给出一种建议或可能性， 不带有强制性，语气比can 更委婉。
You could try this new restaurant.
你可以试试这家新餐厅。
If you're bored， you could read a book.
你如果觉得无聊，可以读本书。
用法 示例
提出建议
请求许可
推测可能性
提出请求或要求
could的基本用法及示例
You could try reading before bed to relax.你可以试试睡前阅读来放松。
Could we leave early today
我们今天可以早点走吗
The answer couldn't be wrong.
答案不可能错。
Could you help me carry this box
你能帮我搬这个箱子吗
情态动词should/could的用法
解析：情态动词无人称和数的变化
情态动词后要加动词原形
变否定句时，情态动词后加not
变一般疑问句时，情态动词提到句首
口诀： 不随主语变，后接动词原。
变否加not, 变疑要提前。
1．—Miss Fang, how can I speak good English
—I think you ________ practise speaking it every day.
A．wouldn’t B．shouldn’t
C．Should D．would
2．If you don’t want to ________ the exam any more, you ________ work harder.
A．take; should B．take; will
C．fail; should D．fail; will
C
C
3．Yes, Jasmine. First, you ________ always focus on what the teacher says in class. Take notes when you need to.
A．may B．may not C．should D．shouldn’t
4．Young Chinese people ________ keep the motherland at heart, aim high, and have their feet firmly on the ground.
A．should B．can C．may D．need
C
A
表示“我(们)自己”“你(们)自己”“他/她/它(们)自 己”的代词称为反身代词。
人称 单数(-self) 复数(-selves)
第一人称 myself ourselves
第二人称 yourself yourselves
第三人称 himself themselves
herself itself 反身代词的用法
1.反身代词的分类
作宾语 常见搭配：enjoy oneself玩得开心；teach oneself自学；hurtoneself伤到自己；introduce oneself自我介绍；dress oneself自己穿衣服；help oneself自用，自取（食物、饮料等）；byoneself 独自； say to oneself自言自语；look after oneself照顾自己
2.反身代词的用法
作同位语 一般起强调作用，意为“本人；本身”。在某些句子中，反身代词作同位语的目的是加强语气，表示“自己；亲自”。作主语的同位语时，跟在主语之后，或放在句子末尾；作宾语的同位语时，跟在宾语之后
作表语 在be和其他系动词（如feel、look、seem等）之后，常用来描述感觉、情绪或状态
2.反身代词的用法
He is teaching himself English. 他在自学英语。
Did you make the cake yourself
这个蛋糕是你亲自做的吗？
I don't feel myself today. 我今天感觉不太舒服。
eg：
1．I’m not good at maths, but I often say to ________, “Never give up!”
A．herself B．myself C．themselves D．himself
B
2．We should believe in ________ because that’s the secret of success.
A．our B．us C．ours D．ourselves
D
3．Self-driving cars are smart enough to follow traffic rules and park ________.
A．they B．their C．them D．themselves
D
4．When ________ parents went away on business, I looked after ________.
A．my; myself B．my; mine
C．me; myself D．me; mine
A
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 ___________.
herself
yourself
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 ___________.
ourselves
himself
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.
themselves
itself
Complete the passage with should , shouldn’t , or could .
4c
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.
should
should
could
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.
shouldn’t
shouldn’t
should
could
could
Act out an illness or injury. Have the others guess what it is and give advice.
4d
Do you have a sore throat/bad cold/...
Did you fall from your bike/cut yourself /...
You should / could / shouldn't ...
Write a short dialogue between a doctor and a patient. Use modal verbs for advice and reflexive pronouns. Then，read it aloud and check for grammar mistakes.
Homework

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