人教版（2024）八年级下册（2024）Unit 2 Stay HealthySection A教学演示课件ppt

这是一份人教版（2024）八年级下册（2024）Unit 2 Stay HealthySection A教学演示课件ppt，共18页。PPT课件主要包含了shouldn’t，could，should，should 的用法，could 的用法，反身代词，反身代词的用法，常见搭配，herself，yourself等内容，欢迎下载使用。
Read the dialgue and cmplete the table.
A: Yu lk pale. What’s wrng with yu?B: I ate t much ice cream last night. Nw my stmach aches terribly.A: Oh n! Yu shuldn’t eat s much next time, especially befre bed. Yu culd drink sme warm water.B: Gd idea. I’ll try that. Thanks!A: And yu shuld rest fr a while. If it gets wrse, yu shuld g t see a dctr!
一、情态动词 shuld 和 culd 的用法
Let’s learn
（1）用于委婉地提出建议或劝告，意为“应该”。 Yu shuld have three meals a day n time.（2）用于表达义务或责任，意为“应该；应当”。 Each f us shuld study hard.（3）表示推测，意为“应该会；可能”。 Ding calligraphy shuld be interesting.（4）用于责备、命令或要求，语气比较强烈。 Yu shuldn’t be scared f making mistakes.（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 shuld we d nw?
（1）表示建议。 Yu culd eat ut tnight.（2）用于向对方委婉地提出请求或征求对方的许可。 Culd yu take ut the rubbish?（提出请求） Culd I g n an uting with yu?（征求对方许可）（3）culd为can的过去式，表示能力。 He culd ride a bike at the age f five.（4）表示推测，意为“可能”。 The bk culd belng t Lily because she likes reading bks.
注意事项• 情态动词shuld、culd后接动词原形，无人称和数的变化。• shuld、culd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nt；变为一般疑问句时，需要将shuld、culd提到主语前。
What rules can yu find ut?
反身代词是一种表示反射或强调的代词。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：
反身代词与它所指的名词或代词形成互指关系，在人称或数上保持一致。
（1）作动词（短语）的宾语或介词的宾语。 She taught herself English. They shuld learn t lk after themselves. The little by went t schl by himself.（2）反身代词常用作主语或宾语的同位语，用于强调。 He himself built the huse. Yu shuld g and ask Tm himself.
（3）反身代词可放在be、feel、seem、lk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 yurself.
• hurt neself 伤到自己• teach neself / learn by neself 自学• enjy neself 过得愉快• by neself 独自；单独• help neself (t) ... 随便吃/喝……• cme t neself 苏醒• dress neself 给自己穿衣服• lk after neself 照顾自己• talk t neself 自言自语• believe in neself 相信自己
1. The girl cleaned the cut n her arm by ___________.2. Be careful when yu’re using the knife! Dn’t cut ___________.3. After taking the safety training, we can enjy ___________ in the muntains.4. Mr Liu knws hw t take care f his health because he used t be a dctr ___________.5. The students are yung, but they knw hw t prtect ___________.6. Her clearest memry is nt f the race ___________, but the terrible pain in her legs the next day.
knife n. 刀
safety n. 安全；安全处所
clear adj. 清晰的；清楚的 v. 清理
pain n. 疼痛；痛苦
Make new sentences using the fllwing phrases.
1. _______________________________________________2. _______________________________________________3. _______________________________________________4. _______________________________________________5. _______________________________________________
by neself, enjy neself, hurt neself, teach neself, take care f neself
Mbile phnes are useful, but yu ___________ use them wisely. T prtect yur eyes, every 20 minutes, yu ___________ rest yur eyes and lk at smething far away. What’s mre, yu ___________ change yur screen’s brightness t try and match yur envirnment and make the wrds n the screen bigger. Of curse, yu ___________ lk at yur phne just befre yu g t bed, and yu certainly ___________ lk at it when yu crss the rad! In fact, yu ___________ avid using yur phne t ften. Yu ___________ listen t music instead f watching vides. Yu ___________ als talk t yur friends instead f sending them messages.
what’s mre 更为重要的是
brightness n. 亮度
envirnment n. 环境
crss v. 穿越；横过；交叉
• Hw d we prtect ur eyes while using mbile phnes?• When shuldn’t we lk at mbile phnes?• What culd we d t avid using ur mbile phnes t ften?
Read again and write a mbile phne usage guide.
Yu can use:Mbile phnes are useful, but yu shuld prtect yur eyes, yu shuld ’s mre, yu shuldn’t fact, yu culd ... instead f using yur mbile phne.
• D yu have a sre thrat / bad cld / • Did yu fall frm yur bike / cut yurself / • Yu shuld / culd / shuldn’t ...
• Hw d yu ask abut smene’s health prblem?• Hw can we describe health prblems?• Hw can yu give advice n health prblems?
knife; safety; clear; pain; brightness ...
Mdal verbs fr advice (shuld, culd)Reflexive prnuns
New expressins
what’s mre; hurt neself; by neself
Write a shrt passage f abut 80 wrds n the tpic f “My Healthy Habits”, cntaining at least tw reflexive prnuns and three mdal verbs fr advice.