初中英語人教版（2024）七年級下冊（2024）Unit 2 No Rules, No Order圖片ppt課件-課件下載-教習網(wǎng)

Read and cmplete with the right frms.
_____(Walk) in the hallway. Dn’t _____(run)!
Dn’t ______(litter).
_____(be) plite and _____(treat) everyne with respect.
What rules des Mrs. Brwn infrm(告知) students?
Yu mustn’t ______(wear) ther clthes t schl instead.
Can we ______(bring) ur phnes t class?
N, we ______. We must _______(keep)them in ur lckers.
What rules are Tm and Anne talking abut?
Can we ______(eat) snacks in class?
N, we can’t______(eat) in class. We have t ________(eat) in the dining hall.
Read the sentences. D the verbs in bld need t change frms? Why?
Imperatives(祈使句)
The usage f mdal verbs can/must/have t
(1)祈使句一般用來表示請求、命令、勸告、警告、禁止等。祈使句的主語一般是第二人稱yu，但往往省略。祈使句的肯定式以動詞原形開頭，否定式在動詞原形前加dn’t。句末用句號或感嘆號，讀時用降調(diào)。為表示禮貌，祈使句經(jīng)常在句首或句末加上please。當please在句末時，其前通常加逗號。
Grammar Fcus
Read and judge(讀句子，并判斷).
（）（）（）（）
Please give me sme water.G ut!Make gd use f yur free time, please.Please dn’t run in the hallways.
祈使句的肯定句和否定句是怎樣構成的？
Read and think
G and brushyur teeth!
Dn’t litter.
Be quiet, please.
Dn’t be nisy.
Let me help yu.
Dn’t let him g./Let him nt g.
表示強調(diào)時，可在動詞原形前加d，意為 “一定，務必”。一定要來看我。
N swimming.
D cme t see me.
為表示禮貌，可在祈使句的句首或句末加上please。當 please在句末時，要用逗號與句子其他部分隔開。請遵守校規(guī)。
Please fllw the schl rules.
＝Fllw the schl rules, please.
觀察它們在用法上有什么共同點？can/must/have t后面接動詞的什么形式？have t在句法上和其他情態(tài)動詞的區(qū)別在哪里？
can/must/have t +動詞原形have t 與其他情態(tài)動詞不同，有人稱、數(shù)和時態(tài)的變化
意為“可以；能”，表示請求或許可
意為“能；會”，表示能力
意為“可能”，表示推測，常用于否定句或疑問句中
Can yu help me?
She can play the vilin.
He can’t be at hme.
表示主觀的義務或必要，無人稱、數(shù)和時態(tài) 的變化，意為“必須”。我必須做作業(yè)。
I must d my hmewrk.
表示肯定推測，常用于肯定句中，意為“一定、必然”。這個故事一定很有趣。
The stry must be funny.
(1) have t 意為“必須；不得不”，后接動詞原形，表示客觀需要做的事情?，F(xiàn)在我不得不離開。
I have t leave nw.
have t 有人稱、數(shù)和時態(tài)的變化，其第三人稱單數(shù)形式為 has t。辛迪每天必須鋪床。
Cindy has t make the bed every day.
含有 have t 或 has t 的句子需分別借助助動詞 d 或 des 構成疑問句或否定句。她必須早起嗎？你不必8點鐘到那兒。
Des she have t get up early?
Yu dn’t have t arrive there at eight.
In what situatins(場景)will we use imperatives r mdal verbs t tell the rules? List sme examples(舉例子).
Dn’t jump the queue. Yu ____________ wait yur turn.
Cmplete the sentences using can, have t/must, r can’t/mustn’t.
must/have t
wait yur turn等待輪到你
queue n. 隊jump the queue 插隊
I ____ feed my dg many kinds f fd, but I ____________ give him chclate. It is bad fr him!
can’t/mustn’t
A: Can I leave the classrm if I dn’t feel well?B: Yes, but yu _____ tell yur teacher abut it when yu ________ be absent frm class.
absent adj. 缺席的；不在的absent frm 缺席；不在
A: Hey! Can I lk at yur bk?B: Shh, we ___________ talk quietly in the library.
interj. 噓（用以讓別人安靜下來）
adv. 輕聲地；安靜地
A: Can yu put n yur seat belt? We _____________ wear ne when we’re in a car. B: Sure. Thanks!
n. 安全帶；腰帶；皮帶
Lk at the first sign and read the rules. Then write the rules fr the ther signs.
D nt eat r drink.N eating r drinking.Yu can’t/mustn’t eat r drink.
Read and write
D nt park the car.N parking.Yu can’t/mustn’t park.
D nt take phts.N phts.Yu can’t/mustn’t take phts.
D nt feed animals.N feeding.Yu can’t/mustn’t feed animals.
D nt swim.N swimming.Yu can’t/mustn’t swim.
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.
library schl dining hall park cinema hspital
In the library, we must keep quiet. We mustn’t make nise. We can’t ...
Rules are everywhere in ur daily life. We shuld fllw the rules and make a quiet and cmfrtable place fr everyne.
Self-assessment
ImperativesMdal verbs: must/can/have t
D nt…N…Yu can’t/mustn’t…