初中英語人教版（2024）七年級(jí)下冊(cè)（2024）Unit 2 No Rules, No Order說課課件ppt-課件下載-教習(xí)網(wǎng)

1. Imperatives
3. Mdal Verb: Must
4. Mdal Verb: Have t
2. Mdal Verb: Can
Gd learners wanted
Listen carefully
Speak clearly
Wrk actively
Shw respect
Nte smething imprtant
What rules are mentined?
什么是祈使句(Imperatives)？
● 用于表達(dá)命令、請(qǐng)求、勸告、警告、禁止等的句子叫祈使句?！?祈使句因?qū)ο螅粗髡Z）是第二人稱，所以通常省略。● 祈使句為動(dòng)詞原形開頭（N型除外）?！?祈使句有D型、Be型、Let型、N型。
Read the sentences. D the verbs in bld need t change frms? Why?
What abut these?
● 情態(tài)動(dòng)詞不能單獨(dú)使用，后面需加動(dòng)詞原形。● 情態(tài)動(dòng)詞沒有人稱和數(shù)的變化(have t除外)?！?情態(tài)動(dòng)詞否定直接在后面加nt (have t除外， have t的否定形式是nt have t)。
情態(tài)動(dòng)詞can表示允許：
Yu can play basketball at the weekend.We can’t run in the hallways.Yu can’t litter.We can’t eat in class.
情態(tài)動(dòng)詞can表示請(qǐng)求：
Can yu help me with my Chinese?Can we bring ur phnes t class? N, we can’t.Can we eat snacks in class?Can I pen the dr?Yes, yu can.
must & mustn’t
must表示“必須”，例如：We must keep them in ur lckers.Yu must read a bk befre yu watch TV.mustn’t表示“不準(zhǔn)；禁止”Yu mustn’t litter.
情態(tài)動(dòng)詞have t：
have t表示“不得不，必須”。例如：We have t be quiet in the library.She has t d her hmewrk first when she gets hme.We have t eat in the dinning hall.
情態(tài)動(dòng)詞must與have t：
have t表示“必須”時(shí)，與must意義很接近，有時(shí)可與must互換。例如：We have t/ must fllw the rules.但是它們也有所不同。
must和have t的不同：
1. We must hurry. I dn’t want t miss the beginning f the shw. We have t hurry. The train is leaving in five minutes.
must 通常表示的是說話人的主觀看法，語氣比較強(qiáng)烈；have t往往強(qiáng)調(diào)客觀需要。
2. Yu mustn’t talk t yur mther like that. Yu dn’t have t cme if yu dn’t want t.
它們的否定式含義大不相同。mustn’t表示“不準(zhǔn)、禁止”，而dn’t have t 表示“不必”。
3. I/We/Yu/They/He must d smething abut it. I have t finish my wrk tday. She has t wrk late tday. They have t get t the statin befre 5 ’clck.
must沒有人稱和數(shù)的變化；而have t有人稱和數(shù)的變化。
Cmplete the sentences using can, have t/ must, can’t/mustn’t.
1. Dn’t jump the queue. Yu ________ wait fr yur turn.2. I _______feed may dg many kinds f fd, but I _______ give himchclate. It is bad fr him!.3. A:Can I leave the class if I dn’t feel well? B: Yes, but yu ______ tell yur teacher abut it when yu _________ be absent frm class.
have t/must
must/have t
4. A: Hey! Can I lk at yur bk? B: Shh, we _______ talk quietly in the library.5. A: Can yu put n yur seat belt? We _________ wear ne when we’re in a car. B: Sure. Thanks!
Signs are everywhere.
Lk at the first sign and read the rules. Then write the rules fr the ther signs.
? D nt park.? N parking.? Yu can’t / mustn’t park.
? D nt take phts.? N phts.? Yu can’t / mustn’t take phts.
? D nt swim.? N swimming.? Yu can’t / mustn’t swim.
? D nt feed the birds.? N feeding the birds.? Yu can’t / mustn’t feed the birds.
In grups,brainstrm three rules fr ne f the places belw. Then draw signs t shw the rules. Share yur signs in class and explain what they mean.
read bks quietly
return bks n time
make nise / yell
draw r write in the bks
run everywhere
smke in the library
Signs in the Library
Keep quiet.
1. In the library, we must keep quiet. We mustn’t make nise. We can’t yell.
2. In the library, we can’t run.
D nt draw r write in the bks.
3. We can’t draw r write in the bks f the library.
Brainstrm in grups, draw signs then share.
Imperatives(祈使句):
● can可用于表示能力、允許、請(qǐng)求。● can的否定形式是can nt，縮寫為can’t。
情態(tài)動(dòng)詞must和have t :
Write sme rules fr yur class r schl.
Make a pster f the rules and draw sings fr them.

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