人教新目标版七年级英语下册Unit 4 Dont eat in class 语法课件

1)表示能力,“会”,“能”(在第一册中已经学习这种用法)例如:Can

you

play

the

guitar?

你会弹吉它吗？Judy

can

speak

a

little

Chinese.

朱蒂会说一点中文。I

can

dance

and

sing.

我能唱歌又能跳舞。1.情态动词can的用法1)表示能力,“会”,“能”(在第一册中已经学习1.12)表示允许、许可,“可以”、“能”(在这一课中新学的词义)例如:Can

the

students

run

in

the

hallways?

学生们可以在走廊上跑吗?We

can

eat

outside.

我们可以在外面吃东西。Can

I

come

in?

我能进来吗?2)表示允许、许可,“可以”、“能”(在这一课22.情态动词have

to

的用法haveto意思是“必须、不得不”,它侧重于客观上的必要和外界的权威。1)结构:

主语＋have

to＋动词原形＋其他(一般现在时,主语是第三人称单数时,用has

to;)如：2.情态动词have

to

的用法haveto意思是“必3We

have

to

wear

sneakers

for

gym

class.

在体育课上,我们必须穿运动鞋。Tom

has

to

practice

the

guitar

every

day.

汤姆每天必须练习弹吉它。We

have

to

wear

sneakers

for

g42)否定形式:

主语＋don’t

have

to＋动词原形＋其他(一般现在时,主语是第三人称单数时,用doesn’t

have

to;)e.g.Nick

doesn't

have

to

wear

a

uniform.

尼克不必穿制服。

I

don't

have

to

do

my

homeworkatfirst.

我不必马上完成作业。2)否定形式:主语＋don’t

have

to＋动词原形53)疑问句:Do(Does)＋主语＋

have

to

＋动词原形＋其他如:--Do

you

have

to

stay

at

home

on

weekends?

--Yes,

I

do.

/

No,

I

don't.

周末你必须呆在家里吗？是的,我必须。/不,我不必。We

have

to

wear

sneakers

for

gym

class.

Tom

has

to

practice

the

guitar

every

day.

3)疑问句:Do(Does)＋主语＋6must表示人的主观看法，意味“必须，得”，没有人称和时态的变化，只用于一般现在时。其否定形式mustn't表示“禁止，不允许”。Imustleaverightnow.Wemustn'ttakedogstothepark.回答由must引导的疑问句，肯定回答用must，否定回答用needn't或don't/doesn'thaveto.Mustshefinishherhomeworkbefore7:00?Yes,shemust.No,sheneedn't./No,shedoesn'thaveto.3.情态动词must的用法must表示人的主观看法，意味“必须，得”，没有人称和时态71.

祈使句是表示请求、命令、叮嘱、号召、劝告等的句子;通常省略主语you;句中谓语动词用动词原形;句尾一般用降调;祈使句的开头是动词原形。祈使句有肯定和否定两种：e.g.Look

out!

小心！

Wait

here

for

me!

在这等我！

Grammar1.祈使句是表示请求、命令、叮嘱、号召、Grammar8Listentome.Standup.Sitdown.Comein.Goaway.Lookattheblackboard.Beagoodgirl.Belate.Becareful.Bequiet.Let'splaybasketball.Lethimhavebreakfast.LetherwatchTV.怎么变为否定句？在句首加Don't2.句子结构(1)肯定句：__动词原形__+其他

Listentome.Beagoodgirl.Le9Listentome.Standup.Sitdown.Comein.Goaway.Lookattheblackboard.Beagoodgirl.Belate.Becareful.Bequiet.Let'splaybasketball.Lethimhavebreakfast.LetherwatchTV.2.句子结构(2)否定句:

Don’t+动词原形+其他Don'tlistentome.Don'tbeagoodgirl.(3)No+动词-ing形式。表示“禁止、规劝”

禁止停车！NoParking.

禁止吸烟！NoSmoking.Listentome.Beagoodgirl.Le102.句子结构(1)肯定句：__________+其他

在餐厅里吃东西。

________________________________

在音乐教室里听音乐。________________________________

骑自行车去上学。_________________________________Ridethebiketoschool.Eatinthedininghall.动词原形Listentomusicinthemusicroom.2.句子结构Ridethebiketoschool11(2)否定句:

_____+_________+其他

不要和同学们打架。

_______________________________

不要在教室里打篮球。 ________________________________Don’tfightwithyourclassmates.

Don’tplaybasketballintheclassroom.Don’t动词原形(2)否定句:_____+_________+其他121.Sitdown.2.Comein.3.Eatathome.Don’tsitdown.Don’t

come

in.Don’teatathome.Ⅱ.把下列祈使句改成否定句1.Sitdown.Don’tsitdown.Don134.Listentomusicoutside.

5.Doyourhomeworkatschool.Don’tlistentomusicoutside.Don’tdoyourhomeworkatschool.4.Listentomusicoutside.Don141.不要在楼道里跑。______________________________2.不要打架。____________________3.有什么规则？______________________________4.我们必须按时上课._______________________________阅读GrammarFocus部分，完成下列句子。Don’tfight.Don’truninthehallways.Whataretherules?Wemustbeontimeforclass.GrammarFocus1.不要在楼道里跑。阅读GrammarFocus155.我们可以在教室里吃东西吗？

_____________________________6.不能。但我们可以在餐厅里吃东西。________________________________________________________________7.我们可以在上课的时候带帽子吗？_____________________________Canwewearahatinclass?No,wecan’t,butwecaneatinthedininghall.Canweeatintheclassroom?5.我们可以在教室里吃东西吗？Canweweara168.他在学校里必须穿校服吗？__________________________________9.是的，必须。/不，不必。_______________________________10.你们必须做什么？_______________________________11.在图书馆里我们必须保持安静。

_________________________________Yes,hedoes./No,hedoesn’t.Doeshehavetowearauniformatschool?Whatdoyouhavetodo?Wehavetobequietinthelibrary.8.他在学校里必须穿校服吗？Yes,hedoes./17二、询问和讨论学校规则：1.━有什么规则？━我们必须保持安静。_______________________________________2.━我们可以在上课的时候戴帽子吗？________________________________

━不可以。你可以在外面戴帽子。_________________________________Whataretherules?Wemustbequiet.Canwewearahatinclass?No,wecan’t.Youcanwearahatoutside.二、询问和讨论学校规则：Whataretherules183.━你必须做什么事？_______________________

━我们必须穿校服。________________________________4.他必须在校吃午饭吗？__________________________________Wemustweartheschooluniforms.Whatdoyouhavetodo?Doeshehavetoeatlunchatschool?3.━你必须做什么事？Wemustwearthe19LibraryRulesDon’ttalk.______________________________________________________3a

Writetherulesfortheschoollibrary.WritingDon’tlistentomusic.Don’teatordrink.Don’ttakephotos.方法指导：1.由图示可知都是一些禁止类的祈使句。2.可知应用“Don’t+动词原形”句子。LibraryRules3aWritetherule20Bequiet?(she/haveto/inthelibrary)Q:Doesshehavetobequietinthelibrary?A:Yes,shedoes.

3b

Usethewordstomakequestionsabouttherules.Thenwriteanswersaccordingtoyourschool.WritingBequiet?(she/haveto/int212.Eat?(he/haveto/inthedinninghall)Q:__________________________ A:__________________________Listentomusic?(we/can/inthehallways) Q:__________________________A:__________________________4.Wearahat?(we/can/intheclassroom)Q:________________________A:________________________2.Eat?(he/haveto/inthed221.根据例句，可知要求我们造一般疑问句并根据实际情况进行回答。2.先确定句子的主语。3.再确定用情态动词还是用助动词来构成疑问语序。4.根据实际情况做出肯定或否定回答，答语的主语要与问句保持一致。方法指导1.根据例句，可知要求我们造一般疑问句并根据实际情况进行232.Eat?(he/haveto/inthedininghall)Q:________________________________?A:_____________3.Listentomusic?(we/can/inthehallways)Q:________________________________?A:_____________4.Wearahat?(we/can/intheclassroom)Q:_____________________________?A:____________Thenanswerthequestions.Yes,hedoes.DoeshehavetoeatinthedininghallCanwelistentomusicinthehallwaysNo,wecan’t.CanwewearahatintheclassroomNo,wecan’t.2.Eat?(he/haveto/inthed24Atmydreamschool,wedon’thavetocometoschooleveryday.…Wecaneatinclass.…3c

Makeupfivecoolrulesforyourdreamschool.Shareyourruleswiththeclass.YourclassmatesvotefortheCoolestSchool!Atmydreamschool,wedon’th25Wedon’thavetowearschooluniforms.…Wecanlistentomusicinclass.…Wedon’thavetowearschoolu26Wecaneatintheclassroom.…Wedon’thavetodohomework.…Wecaneatintheclassroom.27Atmydreamschool,wedon’thavetocometoschooleveryday.Wecaneatintheclassroom.Wecanlistentomusicinclass.Wedon’thavetodohomework.Wedon’thavetowearschooluniformsatschool.ReportGreat!Jim’sschoolisthecoolest.Atmydreamschool,wedon’t28Discussandmakerulesforthecomputerroominyourschool.ComputerRules_____________________________________________________________________________GroupworkDiscussandmakerulesforthe29Wemustbequietinthecomputerroom.Don’truninthecomputerroom.Don’teatordrinkinthecomputerroom.Wearslippersinthecomputerroom.Wemustbequietinthecomput30ReportComputerRules_______________________________________________________________________________________________________________________________________________________________________________Wemustbequietinthecomputerroom.Don’teatordrinkinthecomputerroom.Don’truninthecomputerroom.Wearslippersinthecomputerroom.Cleanthecomputerroomeveryday.ReportComputerRulesWemustbe311.Hehastoeatbreakfastquickly.(改为一般疑问句)__________________________________2.Playvolleyballafterclass.(改为否定句)________________________________句型转换Doeshehavetoeatbreakfastquickly?Don’tplayvolleyballafterclass.Exercise1.Hehastoeatbreakfastqui323.Wecanwearsportsshoesinclass.(改为一般疑问)______________________________4.Don’tarrivelateforclass.(改为同义句)_______________________________5.Erichastodohishomeworkbeforesix.(对划线部分提问)___________________________________Canwewearsportsshoesinclass?Wemustbeontimeforclass.WhatdoesErichavetodobeforesix?3.Wecanwearsportsshoesin33Homework1.RememberthesentencesintheGrammarFocus.2.Writefiverulesinyourfamily.Homework1.Rememberthesenten34Thankyou!Thankyou!351)表示能力,“会”,“能”(在第一册中已经学习这种用法)例如:Can

you

play

the

guitar?

你会弹吉它吗？Judy

can

speak

a

little

Chinese.

朱蒂会说一点中文。I

can

dance

and

sing.

我能唱歌又能跳舞。1.情态动词can的用法1)表示能力,“会”,“能”(在第一册中已经学习1.362)表示允许、许可,“可以”、“能”(在这一课中新学的词义)例如:Can

the

students

run

in

the

hallways?

学生们可以在走廊上跑吗?We

can

eat

outside.

我们可以在外面吃东西。Can

I

come

in?

我能进来吗?2)表示允许、许可,“可以”、“能”(在这一课372.情态动词have

to

的用法haveto意思是“必须、不得不”,它侧重于客观上的必要和外界的权威。1)结构:

主语＋have

to＋动词原形＋其他(一般现在时,主语是第三人称单数时,用has

to;)如：2.情态动词have

to

的用法haveto意思是“必38We

have

to

wear

sneakers

for

gym

class.

在体育课上,我们必须穿运动鞋。Tom

has

to

practice

the

guitar

every

day.

汤姆每天必须练习弹吉它。We

have

to

wear

sneakers

for

g392)否定形式:

主语＋don’t

have

to＋动词原形＋其他(一般现在时,主语是第三人称单数时,用doesn’t

have

to;)e.g.Nick

doesn't

have

to

wear

a

uniform.

尼克不必穿制服。

I

don't

have

to

do

my

homeworkatfirst.

我不必马上完成作业。2)否定形式:主语＋don’t

have

to＋动词原形403)疑问句:Do(Does)＋主语＋

have

to

＋动词原形＋其他如:--Do

you

have

to

stay

at

home

on

weekends?

--Yes,

I

do.

/

No,

I

don't.

周末你必须呆在家里吗？是的,我必须。/不,我不必。We

have

to

wear

sneakers

for

gym

class.

Tom

has

to

practice

the

guitar

every

day.

3)疑问句:Do(Does)＋主语＋41must表示人的主观看法，意味“必须，得”，没有人称和时态的变化，只用于一般现在时。其否定形式mustn't表示“禁止，不允许”。Imustleaverightnow.Wemustn'ttakedogstothepark.回答由must引导的疑问句，肯定回答用must，否定回答用needn't或don't/doesn'thaveto.Mustshefinishherhomeworkbefore7:00?Yes,shemust.No,sheneedn't./No,shedoesn'thaveto.3.情态动词must的用法must表示人的主观看法，意味“必须，得”，没有人称和时态421.

祈使句是表示请求、命令、叮嘱、号召、劝告等的句子;通常省略主语you;句中谓语动词用动词原形;句尾一般用降调;祈使句的开头是动词原形。祈使句有肯定和否定两种：e.g.Look

out!

小心！

Wait

here

for

me!

在这等我！

Grammar1.祈使句是表示请求、命令、叮嘱、号召、Grammar43Listentome.Standup.Sitdown.Comein.Goaway.Lookattheblackboard.Beagoodgirl.Belate.Becareful.Bequiet.Let'splaybasketball.Lethimhavebreakfast.LetherwatchTV.怎么变为否定句？在句首加Don't2.句子结构(1)肯定句：__动词原形__+其他

Listentome.Beagoodgirl.Le44Listentome.Standup.Sitdown.Comein.Goaway.Lookattheblackboard.Beagoodgirl.Belate.Becareful.Bequiet.Let'splaybasketball.Lethimhavebreakfast.LetherwatchTV.2.句子结构(2)否定句:

Don’t+动词原形+其他Don'tlistentome.Don'tbeagoodgirl.(3)No+动词-ing形式。表示“禁止、规劝”

禁止停车！NoParking.

禁止吸烟！NoSmoking.Listentome.Beagoodgirl.Le452.句子结构(1)肯定句：__________+其他

在餐厅里吃东西。

________________________________

在音乐教室里听音乐。________________________________

骑自行车去上学。_________________________________Ridethebiketoschool.Eatinthedininghall.动词原形Listentomusicinthemusicroom.2.句子结构Ridethebiketoschool46(2)否定句:

_____+_________+其他

不要和同学们打架。

_______________________________

不要在教室里打篮球。 ________________________________Don’tfightwithyourclassmates.

Don’tplaybasketballintheclassroom.Don’t动词原形(2)否定句:_____+_________+其他471.Sitdown.2.Comein.3.Eatathome.Don’tsitdown.Don’t

come

in.Don’teatathome.Ⅱ.把下列祈使句改成否定句1.Sitdown.Don’tsitdown.Don484.Listentomusicoutside.

5.Doyourhomeworkatschool.Don’tlistentomusicoutside.Don’tdoyourhomeworkatschool.4.Listentomusicoutside.Don491.不要在楼道里跑。______________________________2.不要打架。____________________3.有什么规则？______________________________4.我们必须按时上课._______________________________阅读GrammarFocus部分，完成下列句子。Don’tfight.Don’truninthehallways.Whataretherules?Wemustbeontimeforclass.GrammarFocus1.不要在楼道里跑。阅读GrammarFocus505.我们可以在教室里吃东西吗？

_____________________________6.不能。但我们可以在餐厅里吃东西。________________________________________________________________7.我们可以在上课的时候带帽子吗？_____________________________Canwewearahatinclass?No,wecan’t,butwecaneatinthedininghall.Canweeatintheclassroom?5.我们可以在教室里吃东西吗？Canweweara518.他在学校里必须穿校服吗？__________________________________9.是的，必须。/不，不必。_______________________________10.你们必须做什么？_______________________________11.在图书馆里我们必须保持安静。

_________________________________Yes,hedoes./No,hedoesn’t.Doeshehavetowearauniformatschool?Whatdoyouhavetodo?Wehavetobequietinthelibrary.8.他在学校里必须穿校服吗？Yes,hedoes./52二、询问和讨论学校规则：1.━有什么规则？━我们必须保持安静。_______________________________________2.━我们可以在上课的时候戴帽子吗？________________________________

━不可以。你可以在外面戴帽子。_________________________________Whataretherules?Wemustbequiet.Canwewearahatinclass?No,wecan’t.Youcanwearahatoutside.二、询问和讨论学校规则：Whataretherules533.━你必须做什么事？_______________________

━我们必须穿校服。________________________________4.他必须在校吃午饭吗？__________________________________Wemustweartheschooluniforms.Whatdoyouhavetodo?Doeshehavetoeatlunchatschool?3.━你必须做什么事？Wemustwearthe54LibraryRulesDon’ttalk.______________________________________________________3a

Writetherulesfortheschoollibrary.WritingDon’tlistentomusic.Don’teatordrink.Don’ttakephotos.方法指导：1.由图示可知都是一些禁止类的祈使句。2.可知应用“Don’t+动词原形”句子。LibraryRules3aWritetherule55Bequiet?(she/haveto/inthelibrary)Q:Doesshehavetobequietinthelibrary?A:Yes,shedoes.

3b

Usethewordstomakequestionsabouttherules.Thenwriteanswersaccordingtoyourschool.WritingBequiet?(she/haveto/int562.Eat?(he/haveto/inthedinninghall)Q:__________________________ A:__________________________Listentomusic?(we/can/inthehallways) Q:__________________________A:__________________________4.Wearahat?(we/can/intheclassroom)Q:________________________A:________________________2.Eat?(he/haveto/inthed571.根据例句，可知要求我们造一般疑问句并根据实际情况进行回答。2.先确定句子的主语。3.再确定用情态动词还是用助动词来构成疑问语序。4.根据实际情况做出肯定或否定回答，答语的主语要与问句保持一致。方法指导1.根据例句，可知要求我们造一般疑问句并根据实际情况进行582.Eat?(he/haveto/inthedininghall)Q:________________________________?A:_____________3.Listentomusic?(we/can/inthehallways)Q:________________________________?A:_____________4.Wearahat?(we/can/intheclassroom)Q:_____________________________?A:____________Thenanswerthequestions.Yes,hedoes.DoeshehavetoeatinthedininghallCanwelistentomusicinthehallwaysNo,wecan’t.CanwewearahatintheclassroomNo,wecan’t.2.Eat?(he/haveto/inthed59Atmydreamschool,wedon’thavetocometoschooleveryday.…Wecaneatinclass.…3c

Makeupfivecoolrulesforyourdreamschool.Shareyourruleswiththeclass.YourclassmatesvotefortheCoolestSchool!Atmydreamschool,wedon’th60Wedon’thavetowearschooluniforms.…Wecanlistentomusicinclass.…Wedon’thavetowearschoolu61Wecaneatintheclassroom.…Wedon’thavetodohomework.…Wecaneatintheclassroom.62Atmydreamschool,wedon’thavetocometoschooleveryday.Wecaneatintheclass