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初中英语人教新目标 (Go for it) 版七年级下册Section A示范课ppt课件
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这是一份初中英语人教新目标 (Go for it) 版七年级下册Section A示范课ppt课件，共36页。PPT课件主要包含了Lead-in，Role-play，祈使句的用法，祈使句的概念，Stand up ，祈使句的形式，例 让我们帮助你，肯定句，Do 型，Be 型等内容，欢迎下载使用。
Tell thers abut yur schl rules. (Yu can finish it by yurself/ with yur partner. )
listen t music
In ur schl, we can’t listen t music in class, but we can listen t it after class.
What are the rules in yur schl?
Can yu eat in the classrm ?
N, we can’t. We have t eat in the dining hall. And it’s imprtant nt t be late fr class.
Yes, s yu must be n time.
Grammar Fcus
What are the rules?
Can we eat in the classrm?
We must be n time fr class.
N, we can’t, but we can eat in the dining hall.
Yes, we can./ N, we can’t.
Yes, he des./ N, he desn’t.
We have t be quiet in the library.
(1)祈使句是指用来表示请求、命令、叮嘱、 建议等的句子。祈使句没有主语，谓语动词 用原形，句末使用感叹号或者句号。
例：站起来！ 一定要准时。
Be sure t be n time.
(2)如果祈使句表示客气地请求，一般要加上please。 please可以放在句子前面也可以放在句子的后面。
例: 请跟我读。 Please read after me.
= Read after me, please.
(1)let开头的祈使句的肯定句：Let + sb.+ v.（原形）
Dn’t let them cme in.
Let us help yu.
否定为：Dn’t + let + 第三人称代词+v.（原形）
例: 不要让他们进来。
(2)非let开头的祈使句的肯定句和否定句：
动词原形（+宾语）+其他成份.
Be+表语(名词或形容词）+其他成份.
例：Listen t me, please.
例：Be quiet, please.
Dn’t +行为动词 +其他.
Dn’t + be +其他.
N + n./v.-ing.
例: Dn’t play cmputer games.
例: Dn’t be late again.
例: N phts. N swimming.
主语是yu常省去，动词原形开头记。否定形式要注意，句首要把dn’t加。要讲客气用please， 句首、句末没关系。
情态动词must与have t
1.情态动词must的用法
(1)表示做某一个动作的必要和义务，意思是 “必须、应该”。
例:你必须做你的作业。
Yu must d yur hmewrk.
(2)表示有很大把握的判断或者推测，它的意思是 “一定、准是”。
例:那个高个子男人一定是你的爸爸。 The tall man must be yur father.
(3)以must开头的一般疑问句，它的否定回答用 needn’t (不必要),不用mustn’t(不允许) ,mustn’t 常用于否定句中，表示“不允许，禁止”。
例:你的车不允许停在这儿。 Yu mustn’t park yur car here.
2.情态动词have t的用法
have t表示客观需要做的事情，意思是“必须， 不得不”。
(1)have t后接动词原形，意为“必须做……；不 得不做……”。
例: 我不得不离开了。
I have t leave.
(2)have t有人称、数和时态的变化，其第三人称 单数形式为has t。
例: 她不得不做作业。
She has t d her hmewrk.
(3)含有have t, has t的句子变疑问句或否定句需 分别借助助动词d, des 。
例: 他们必须早起吗？
D they have t get up early?
D yu knw the meanings f these signs?
Can we talk in the library?
We can’t talk in the library.
We must keep quiet in the library.
Yu can’t bring yur schl bags in the library.
Dn’t bring yur schl bags.
We can’t bring umbrellas.
Dn’t bring yur umbrellas.
Dn’t eat fd.
Yu can’t eat in the library.
Yu can’t listen t music.
Dn’t listen t music.
Write the rules fr the schl library.
Dn’t eat r drink.
Dn’t take phts.
Use the wrds t make questins abut the rules. Then write answers accrding t yur schl.
1. Be quiet? (she/have t /in the library) Q: Des she have t be quiet in the library? A: Yes, she des.2. Eat? (he/have t/in the dining hall) Q: _________________________________________ A: _________________________________________
Des he have t eat in the dining hall?
Yes, he des.
3. Listen t music? (we/can/in the hallways) Q: _________________________________________ A: _________________________________________4. Wear a hat?(we/can/in the classrm) Q: _________________________________________ A: _________________________________________
Can we listen t music in the hallways?
N, we can’t.
Can we wear a hat in the classrm?
Make up five cl rules fr yur dream schl. Share yur rules with the class. Yur classmates vte fr the Clest Schl!
At my dream schl, we dn’t have t cme t schl every day. We can eat in class. We …
Write a letter t yur parents abut the rules at hme. Let them knw yur ideas.
Fr example：Be friendly.Save water.Dn’t g ut at night.Dn’t eat in the bed.Dn’t sleep t late. Dn’t waste mney.Dn’t talk ludly.Dn’t keep animals.
Dn’t talk ludly n the phne.Dn’t watch TV late at night.Clean the bedrm n Saturdays.Dn’t get up late n Sundays.Dn’t talk ludly at night.
Dear parents, I knw yu lve me very much. Nw I’ve grwn up(长大). We shuld respect (尊重)each ther. I have sme suggestins(建议)fr yu._____________________________________________________________________________________________________________________ Will yu listen t me?
Language pints
1. We dn’t have t cme t schl every day. 我们不必每天来学校。
have t为固定短语，意为“不得不，必须”， 其后接动词原形，有时态和人称的变化。
have t的否定形式是：主语+dn’t + have t+动词原形+其他（一般现在时，当主语是第三人称单数时,用desn’t have t，一般过去式用didn’t have t)
把下列祈使句改成否定形式。1. Be n time. 2. Eat in the hall. _____________________ _____________________3. Talk ludly. _____________________
Dn’t be n time.
Dn’t eat in the hall.
Dn’t talk ludly.
单项选择。1. ______ with fire. It’s very dangerus. A. Playing B. Play C. Dn’t play D. Desn’t play 2.The children _____ play ftball n the rad. A. can B. must C. mustn’t D. may
3.My sister ______ be at schl by seven ’clck. A. has t B. have t C. had t D. must t 4. It’s raining all day, s my brther ______ stay at hme. A. must B. have t C. must t D. has t
Tell thers abut yur schl rules. (Yu can finish it by yurself/ with yur partner. )
listen t music
In ur schl, we can’t listen t music in class, but we can listen t it after class.
What are the rules in yur schl?
Can yu eat in the classrm ?
N, we can’t. We have t eat in the dining hall. And it’s imprtant nt t be late fr class.
Yes, s yu must be n time.
Grammar Fcus
What are the rules?
Can we eat in the classrm?
We must be n time fr class.
N, we can’t, but we can eat in the dining hall.
Yes, we can./ N, we can’t.
Yes, he des./ N, he desn’t.
We have t be quiet in the library.
(1)祈使句是指用来表示请求、命令、叮嘱、 建议等的句子。祈使句没有主语，谓语动词 用原形，句末使用感叹号或者句号。
例：站起来！ 一定要准时。
Be sure t be n time.
(2)如果祈使句表示客气地请求，一般要加上please。 please可以放在句子前面也可以放在句子的后面。
例: 请跟我读。 Please read after me.
= Read after me, please.
(1)let开头的祈使句的肯定句：Let + sb.+ v.（原形）
Dn’t let them cme in.
Let us help yu.
否定为：Dn’t + let + 第三人称代词+v.（原形）
例: 不要让他们进来。
(2)非let开头的祈使句的肯定句和否定句：
动词原形（+宾语）+其他成份.
Be+表语(名词或形容词）+其他成份.
例：Listen t me, please.
例：Be quiet, please.
Dn’t +行为动词 +其他.
Dn’t + be +其他.
N + n./v.-ing.
例: Dn’t play cmputer games.
例: Dn’t be late again.
例: N phts. N swimming.
主语是yu常省去，动词原形开头记。否定形式要注意，句首要把dn’t加。要讲客气用please， 句首、句末没关系。
情态动词must与have t
1.情态动词must的用法
(1)表示做某一个动作的必要和义务，意思是 “必须、应该”。
例:你必须做你的作业。
Yu must d yur hmewrk.
(2)表示有很大把握的判断或者推测，它的意思是 “一定、准是”。
例:那个高个子男人一定是你的爸爸。 The tall man must be yur father.
(3)以must开头的一般疑问句，它的否定回答用 needn’t (不必要),不用mustn’t(不允许) ,mustn’t 常用于否定句中，表示“不允许，禁止”。
例:你的车不允许停在这儿。 Yu mustn’t park yur car here.
2.情态动词have t的用法
have t表示客观需要做的事情，意思是“必须， 不得不”。
(1)have t后接动词原形，意为“必须做……；不 得不做……”。
例: 我不得不离开了。
I have t leave.
(2)have t有人称、数和时态的变化，其第三人称 单数形式为has t。
例: 她不得不做作业。
She has t d her hmewrk.
(3)含有have t, has t的句子变疑问句或否定句需 分别借助助动词d, des 。
例: 他们必须早起吗？
D they have t get up early?
D yu knw the meanings f these signs?
Can we talk in the library?
We can’t talk in the library.
We must keep quiet in the library.
Yu can’t bring yur schl bags in the library.
Dn’t bring yur schl bags.
We can’t bring umbrellas.
Dn’t bring yur umbrellas.
Dn’t eat fd.
Yu can’t eat in the library.
Yu can’t listen t music.
Dn’t listen t music.
Write the rules fr the schl library.
Dn’t eat r drink.
Dn’t take phts.
Use the wrds t make questins abut the rules. Then write answers accrding t yur schl.
1. Be quiet? (she/have t /in the library) Q: Des she have t be quiet in the library? A: Yes, she des.2. Eat? (he/have t/in the dining hall) Q: _________________________________________ A: _________________________________________
Des he have t eat in the dining hall?
Yes, he des.
3. Listen t music? (we/can/in the hallways) Q: _________________________________________ A: _________________________________________4. Wear a hat?(we/can/in the classrm) Q: _________________________________________ A: _________________________________________
Can we listen t music in the hallways?
N, we can’t.
Can we wear a hat in the classrm?
Make up five cl rules fr yur dream schl. Share yur rules with the class. Yur classmates vte fr the Clest Schl!
At my dream schl, we dn’t have t cme t schl every day. We can eat in class. We …
Write a letter t yur parents abut the rules at hme. Let them knw yur ideas.
Fr example：Be friendly.Save water.Dn’t g ut at night.Dn’t eat in the bed.Dn’t sleep t late. Dn’t waste mney.Dn’t talk ludly.Dn’t keep animals.
Dn’t talk ludly n the phne.Dn’t watch TV late at night.Clean the bedrm n Saturdays.Dn’t get up late n Sundays.Dn’t talk ludly at night.
Dear parents, I knw yu lve me very much. Nw I’ve grwn up(长大). We shuld respect (尊重)each ther. I have sme suggestins(建议)fr yu._____________________________________________________________________________________________________________________ Will yu listen t me?
Language pints
1. We dn’t have t cme t schl every day. 我们不必每天来学校。
have t为固定短语，意为“不得不，必须”， 其后接动词原形，有时态和人称的变化。
have t的否定形式是：主语+dn’t + have t+动词原形+其他（一般现在时，当主语是第三人称单数时,用desn’t have t，一般过去式用didn’t have t)
把下列祈使句改成否定形式。1. Be n time. 2. Eat in the hall. _____________________ _____________________3. Talk ludly. _____________________
Dn’t be n time.
Dn’t eat in the hall.
Dn’t talk ludly.
单项选择。1. ______ with fire. It’s very dangerus. A. Playing B. Play C. Dn’t play D. Desn’t play 2.The children _____ play ftball n the rad. A. can B. must C. mustn’t D. may
3.My sister ______ be at schl by seven ’clck. A. has t B. have t C. had t D. must t 4. It’s raining all day, s my brther ______ stay at hme. A. must B. have t C. must t D. has t
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