初中英语人教新目标 (Go for it) 版七年级下册Section A评优课作业ppt课件

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Talk with yur partner.
A: What are the rules?
B: . / .
Dn’t run in the hallways
We can’t run in the hallways
Dn’t listen t music in class
We can’t listen t music in class
We can’t fight
Dn’t eat in the classrm
We must eat in the dining hall
Dn’t arrive late fr class
We must be n time
When we walk arund the schl, we may find rules everywhere. Rules can help us get alng and stay safe. Discuss with yur partner: Where can we see rules at schl?
Hallway Rules1. _____________ _____________2. _____________ _____________3. _____________ _____________4. _____________ _____________
Dn’t litter.
N littering.
Here, we’re in the hallway. Lk at the rules, can yu tell what they are?
We are nw in the classrm. Tell yur partner the class rules.
Class Rules1. _________________ _________________2. _________________ _________________3. _________________4. _________________
Dn’t be late.
Dn’t use cell phne.
N cell phne.
Dn’t sleep in class.
Dn’t thrw paper.
Grup 1：祈使句的否定句怎样构成？肯定句呢？一般在什么情况下会用祈使句？Grup 2：情态动词在用法上有什么共同点？Grup 3：can在本单元主要表示什么含义？它还可表达什么意思？Grup 4：have t在句法上与其他情态动词有何区别？
Divide the whle class int 4 grups and each grup discusses ne questin.
Try t find ut the rules.
祈使句的否定句怎样构成？肯定句呢？
祈使句的否定句在动词原形前加dn’t，表示“不要做什么事”。
祈使句的肯定句通常是以动词原形开头的。
一般在什么情况下会用祈使句？
祈使句一般用于上级对下级，长辈对晚辈之间，表示命令、劝说或警告，也可表示请求。
情态动词在用法上有什么共同点？
can, must, have t后接动词原形。
have t在句法上与其他情态动词有何区别？
have t有人称和数的变化。
Lk at the pictures in 3a and answer the questins.
1. What d the pictures tell us?
2. Where can yu see these signs?
3. Can we talk ludly/eat/listen t music/take phts in the library?
Write the rules fr the schl library.
Dn’t eat in the library.Dn’t listen t music in the library.Dn’t take phts in the library.
Use the wrds t make questins abut the rules. Then write answers accrding t yur schl.
1. Be quite? Q: Des she have t be quite in the library? (she/have t/in the library) A: Yes, she des.2. Eat? Q: ________________________________ (he/ have t/ in the dining hall)? A: ________________________
Des he have t eat in the dining hall?
Yes, he des.
3. Listen t music? Q: ________________________________ (we/ can/ in the hallways)? A: ________________ 4. Wear a hat? Q: _______________________________ (we/ can/ in the classrm)? A: _______________
Can we listen t music in the hallways?
Can we wear a hat in the classrm?
N, we can’t.
Cmplete the sentences with can, can’t, must, have t r has t.
1. Ann ______ d her hmewrk, s she ges t ask her teacher fr help.2. Yu dn’t ______ clean yur rm tday. Yu can d it tmrrw.3. — ______ Jim speak English? — N, he can’t.4. — ______ I wear my schl unifrm? — Yes, yu must.5. — What d students _________ in library? — They ______ keep quiet.
Use can, can’t have t / must and dn’t t talk abut the rules at schl.
( ) d hmewrk in the classrm( ) play cmputer games every day( ) listen t the teachers in class (在课堂上) ( ) run in the hallways( ) read English bks in English class
( ) wear hats (戴帽子) in class( ) listen t music in the classrm( ) eat in class( ) fight ( ) eat in the dining hall
Use can, can’t have t / must and dn’t t write abut the rules at schl. Write tw sentences fr each rule.
1. arrive late / class ________________________________________2. listen/ teacher __________________________________________3. be nisy / library ________________________________________4. speak English / English class _______________________________________________________5. eat / dining hall _________________________________________
Dn’t arrive late fr class. We can’t arrive late fr class.
Listen t teacher. We must listen t teacher.
Dn’t be nisy in the library. We can’t be nisy in the library.
Speak English in English class . We must speak English in English class.
Eat in the dining hall . We can eat in the dining hall .
Chse ne place at schl, i.e. playgrund, cmputer lab, dining hall and make at least three rules fr it. Write yur rules belw.
What rules d yu suggest ________ make?①___________________________________②___________________________________③___________________________________④___________________________________
Cmplete the passage accrding t yur rules.
I suggest ______ make up the fllwing rules. We must _____________________. We can’t ________________________, but we have t _______________________.
At my dream schl, we dn’t have t cme t schl every day. We...
Make up five cl rules fr yur dream schl. Share yur rules with the class. Yur classmates vte fr the Clest Schl!
1.We can eat in dn’t have t cme t schl every day.3. ...
Reprt t the class. (汇报)
In my dream schl, we dn't have t cme t schl every day. We can study at hme and ask the teacher fr help when we have questins. We can eat in the classrm but we must keep the classrm clean. We can listen t music in the classrm but we must listen t it after class. We can bring ur cellphne t schl but we can't bring it t the classrm.We dn't have t wear schl unifrms every day, we can wear ur wn cmfrtable clthes. I think my dream will cme true!
祈使句一般用来表示请求、命令、劝说、号召、警告等。在祈使句中，通常省略主语yu，其肯定形式以动词原形开头，否定形式是在动词原形前加dn’t。祈使句句尾用句号或感叹号，读时用降调。为表示礼貌，可以在句首或句尾加上please。句末用please时，前面通常加逗号。
肯定句：动词原形 (+宾语)+其他. 否定句：Dn’t+动词原形 (+宾语) +其他.Wear the schl unifrm n weekdays, please. 上学日请穿校服。Dn’t watch TV befre dinner. 晚饭前不要看电视。
肯定句：Be+表语+其他. 否定句：Dn’t+be+表语 +其他.Be careful next time. 下次要细心。Dn’t be late fr schl! 上学不要迟到!
肯定句：Let+宾语+动词原形+其他. 否定句：Dn’t+let+宾语+动词原形+其他. 或Let+宾语+nt+动词原形+其他.Let’s have a rest. 咱们休息一下吧。Dn’t let him g swimming. = Let him nt g swimming. 不要让他去游泳。
Let 型祈使句的构成
(1) N+v-ing! / N+名词!N fishing! 禁止钓鱼!N parking! 禁止停车!N phts! 禁止拍照!(2) never 代替dn’t 来加强语气。Never give up! 决不放弃!
N+v-ing! / N+名词!
never 代替dn’t 来加强语气
情态动词have t与must
二者均可表示“必须”，其后均接动词原形。It’s t late. I have t take a taxi. 太晚了，我必须乘出租车。I must g nw. 我必须现在就走。
have t与must的不同点
【2020·江苏省徐州市】Give me a chance, ________I will give yu a wnderful surprise.A. r B. andC. but D. s
【2020·甘肃省武威市】—Dn't keep the lights n when they're nt in use!—________ A. Nt at all.B. Srry, I wn't.C. N, thanks.D. I'm afraid s.
【2020·武威市】Yu haven't eaten all day. Yu ________ be very hungry.A. culdn't beB. can'tC. mightD. must
【2020·湖南省长沙市】________ yur smartphnes, and read fr at least 30 minutes, every day! Yu knw, reading helps us t deepen ur spiritual wrld.A. Put awayB. T put awayC. Putting away
[2020·湖北省宜昌市]—Dn’t frget t keep a safe distance（距离）at least ne meter, Jack!—____________.A. Srry, I wn’tB. N, I can’t d itC. Nt at allD. I hpe nt
二、句型转换（每空一词）
Talk in class. (改为否定句)______ ______ in class.
I have t d my hmewrk after schl. (对画线部分提问)______ ______ yu ______ ______ ______ after schl?
We have t listen t the teacher. (改为一般疑问句并作肯定回答)______ we ______ ______ listen t the teacher?______, we ______.
have t
have t d
Unit 4 Dn’t eat in class. (Grammar Fcus-3c)
祈使句(重点为否定结构)
情态动词can表“许可”的用法(肯定及否定陈述，一般疑问句结构及肯定和否定回答)
情态动词must的句型结构(仅限肯定陈述)
情态动词have t的句型结构(肯定及否定陈述，一般疑问结构及肯定和否定回答)
Preview the new wrds and phrases in Sectin B(1a-1d).D the exercises in students’ bk.