初中英語(yǔ)人教版（2024）七年級(jí)下冊(cè)（2024）Unit 2 No Rules, No Order公開課教學(xué)課件ppt

這是一份初中英語(yǔ)人教版（2024）七年級(jí)下冊(cè)（2024）Unit 2 No Rules, No Order公開課教學(xué)課件ppt，共4頁(yè)。PPT課件主要包含了Warming-up，Turn back，Let’s go，Hold it，Run away，祈使句情態(tài)動(dòng)詞，祈使句中，情態(tài)動(dòng)詞后，祈使句，Do 型祈使句的構(gòu)成等內(nèi)容，歡迎下載使用。
Learning bjectives
What kind f interesting sentences did yu ntice in the vide?
Dn’t be late!
Just g t bed!
Take a deep breath!
Be careful!
G t bed nw!
Believe in me!
We have t mve its paw.
I can’t ck.
在 祈使句中 和 情態(tài)動(dòng)詞后，動(dòng)詞均用原形。
Read the sentences. D the verbs in bld need t change frms? Why?
Grammar Fcus
祈使句一般用來表示命令、請(qǐng)求、勸說、號(hào)召、警告、禁止等。
通常省略主語(yǔ)yu其肯定形式常以動(dòng)詞原形開頭，否定形式是在動(dòng)詞原形前加dn’t。祈使句句尾用句號(hào)或感嘆號(hào)。
V原 + 其他。Dn’t + V原+ 其他。
Be + 其他.Dn’t + be + 其他.
Let + sb. + V原+ 其他.Dn’t+let + sb. + 動(dòng)詞原形 + 其他.或Let + sb. + nt + 動(dòng)詞原形 + 其他.
為表示禮貌，可在祈使句的句首或句末加上please。當(dāng) please在句末時(shí)，要用逗號(hào)與句子其他部分隔開。請(qǐng)遵守校規(guī)。
Please fllw the schl rules.
＝Fllw the schl rules, please.
表示強(qiáng)調(diào)時(shí)，可在動(dòng)詞原形前加d，意為 “一定，務(wù)必”。一定要來看我。
D cme t see me.
Let 型祈使句的構(gòu)成
N+v-ing! / N+名詞!
never 代替dn’t 來加強(qiáng)語(yǔ)氣
情態(tài)動(dòng)詞用于表達(dá)說話人的態(tài)度、意愿、推測(cè)、建議、能力、義務(wù)等。
沒有人稱和數(shù)的變化；后面必須跟動(dòng)詞原形來構(gòu)成完整的謂語(yǔ)。
can可表示能力、許可、請(qǐng)求等。其否定形式為can’t/cannt。1.表示能力，意為“能，會(huì)”。We can speak a little English. 我們會(huì)說一點(diǎn)英語(yǔ)。I can play badmintn, but I can’t play vlleyball. 我會(huì)打羽毛球，但我不會(huì)打排球。
2.表示許可，意為“可以”。Yu can play basketball at the weekend. 你可以在周末打籃球。We can’t run in the hallways. 我們不能在走廊里奔跑。
3.表示請(qǐng)求，意為“可以”。—Can yu help me with my Chinese? 你能幫助我學(xué)習(xí)中文嗎？ —Yes, I can.是的，我可以。
must表示必須。常表示說話人的主觀看法，其否定形式為mustn’t.
eg. Must I finish my hmewrk befre eight ’clck ?
Yes, yu must.
N, yu mustn’t.
N, yu needn’t.
N, yu dn’t have t.
mustn’t 表示禁止：不許
情態(tài)動(dòng)詞must的用法
have t表示不得不。常強(qiáng)調(diào)客觀需要。其否定形式為dn’t have t“不必”。
1. 肯定句：主語(yǔ)+_____________+___________.2. 否定句：主語(yǔ)+ _______________ have t+__________.3. 一般疑問句：__________+ 主語(yǔ)+ have t+__________? Yes, 主語(yǔ)+_________./N, 主語(yǔ)+____________.
dn’t/desn’t
有時(shí)態(tài)、人稱和數(shù)的變化
Must & Have t
二者均可表示“必須”，其后均接動(dòng)詞原形。但是，have t 表示客觀條件要求某人不得不做某事 must 表示某人主觀意愿上必須或者有義務(wù)要做某事
He has t leave schl because his family is pr. 因?yàn)榧依锔F，他不得不退學(xué)。(受客觀因素影響)We must d smething abut it. 關(guān)于這件事我們必須做點(diǎn)什么。(責(zé)任感的驅(qū)使)
【拓展延伸】以must開頭的一般疑問句的肯定回答用must，否定回答用needn’t或dn’t have t?！狹ust I leave nw? 我現(xiàn)在必須離開嗎？ —Yes, yu must./N, yu needn’t (dn’t have t). 是的，你必須。/不，你不必。
1．—Can yu speak English, Ling ling?—Yes, I ________.A．mustB．canC．shuldD．may2．Lucy is gd at basketball. She ________ play basketball very well.A．canB．can’tC．mayD．need3．－Mary, _________ yu speak Chinese?－Yes, nly a little.A．mustB．canC．needD．shuld4．Cme and ________ us!A．jinB．jinsC．jiningD．t jin
1. Dn’t jump the queue. Yu _____________ wait fr yur turn.
have t / must
Cmplete the sentences using can, have t / must, r can’t / mustn’t.
2. Yu ________ just ask yur teacher a questin in class. Yu _________ raise yur hand first.
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.
/ li:v / 離開
/ ??bs?nt/
4. A: Hey! Can I lk at yur bk? B: Shh, we ________ talk quietly in the library.
quiet(adj.) - quietly(adv.)
library rule
5. A: Can yu put n yur seat belt? We ________ wear ne when we’re in a car. B: Sure. Thanks!
traffic rule
D nt eat r drink.N eating r drinking.Yu can’t / mustn’t eat r drink.
Lk at the first sign and read the rules. Then write the rules fr the ther signs.
Yu can’t / mustn’t park.
D nt take phts.
Yu can’t / mustn’t take phts.
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.
schl dining hall
library rules
In the library, we must keep quiet first. We mustn’t make nise. Secnd, we can’t bring any fd r drink t the library. We must keep it clean and tidy. What’s mre, we have t return the bks after we finish reading.Let’s make the library a better place fr us t study.
1. They can play the vilin and the drums. （對(duì)畫線部分提問） ________ __________ they _________?2. Yu can g swimming with us this afternn.（改為一般疑問句） _______ yu _______ swimming with us this afternn?3. —Must I keep the windw pen all day??（作否定回答） —N, yu ___________________.
needn’t / dn’t have t
1. — Max, ______be afraid f speaking in frnt f peple. Yu are the best! — OK, I wn’t. A. desn’t B. nt C. isn’t D. dn’t2. — _______ I take phts here? — Srry, yu can’t. A. Must B. Need C. Can D. Will3. Lk! The sign n the wall says, “N _______!” A. smke B. t smke C. smked D. smking