人教版初中英语-七年级下册第四单元Section-A-Grammar-Focus-3c课件

Don’teatinclassUnit4SectionAGrammarFocus-3cDon’teatinclassUnit4SectiDon’teatinclass.Don’tarrivelateforclassDon’tsleepinclass.Don’truninthehallways.Don’ttalk.Don’tplaysoccerintheclassroom.Don’tfight.Don’tlistentomusicintheclassroom.Saysomeschoolrules温故知新Don’teatDon’tarriveDon’ts

Don’tplaybasketballinclass.Youhavetoplayontheplayground.Whatdoyousaytohim?PleaseplayontheplaygroundDon’tplaybasketballincl

Don’tarrivelateforclass.Youmustbeontimeforclass!Whatdoyousaytohim?Beontimeforclass,please!Don’tarrivelateforclas

Don’tlistentomusicinclass.Youmustlistentotheteachercarefully.Whatdoyousaytohim?Listentotheteachercarefully.Don’tlistentomusicincl

Don’twearyourownclothesatschool.Youhavetowearyourschooluniform.Whatdoyousaytohim?Wearyourschooluniform,please!Don’twearyourownclothes

Don’tsleepinclass.Listentotheteachercarefully.Whatdoyousaytohim?Don’tsleepinclass.Whatd

Don’ttalkinclass.Bequiet,please!Whatdoyousaytothem?Don’ttalkinclass.Whatdo

Don’twearthehatinclass.Pleaseputyourhatintothedesk.Whatdoyousaytohim?Don’twearthehatinclass

Don’teatinclass.Pleaseeatinthedininghall.Whatdoyousaytohim?Don’teatinclass.Whatdo

Don’tfight.Befriendlytoyourclassmate!Whatdoyousaytothem?Don’tfight.Whatdoyousay

Don’truninthehallways.Pleasewalkslowly.Whatdoyousaytohim?Don’truninthehallways.WYouhavetoplayontheplayground.Youmustbeontimeforclass.Youcan’tlistentomusicinclass.Thinkanddiscuss

Playontheplayground,please.Beontimeforclass,please.Don’tlistentomusicinclass!Youhavetoplayontheplaygr祈使句是表示请求、命令、建议等的句子。通常省略主语，谓语动词一律用。根据句子语气的强弱，句末用号或号。祈使句原形感叹句合作探究you祈使句是表示请求、命令、建议等的句子。通常省略主语一、祈使句的肯定式1.以开头，简称Do型。e.g.Comehere.到这儿来。2.以动词开头，简称Be型。e.g.Bequiet,please.请安静。行为动词原形be一、祈使句的肯定式行为动词原形be注意有时可在祈使句的句首或句尾加上，使语气显得客气、有礼貌。如果在句尾加，应该用与前句隔开。e.g.Gothisway,please.请这边走。pleaseplease逗号注意pleaseplease逗号二、祈使句的否定式Do型和Be型的否定式是在句首加。e.g.Don’tsithere.不要坐在这儿。

Don’tbelate.别迟到。don’t二、祈使句的否定式don’t将下列句子翻译成英语。1.请看这幅图画。2.不要在教室里跑。3.在图书馆保持安静。Pleaselookatthepicture./Lookatthepicture,please.Don’trunintheclassroom.Bequietinthelibrary.将下列句子翻译成英语。Pleaselookatthe4.让我们帮他。5.上课不要迟到。6.禁止游泳！Don’tbelateforclass.Let’shelphim.Noswimming!4.让我们帮他。Don’tbelateforcla

以Let开头，简称Let型。e.g.Let’sgo!咱们走吧!

以let开头的祈使句，其否定式有两种：一种是直接在句首加don’t，另一种是“let+宾语+not+动词原形+(其他)”。e.g.Don’tlethimgo.不要让他走。Let’snotgothere.咱们别去那儿。拓展延伸以Let开头，简称Let型。拓展延伸“No+名词/动词⁃ing形式”表示禁止或规劝，常用于公共场所。e.g.Nophotos!禁止拍照！

Nosmoking！

禁止吸烟！人教版初中英语-七年级下册第四单元Section-A--Grammar-Focus-3c课件祈使句用来表示命令、建议，但我们也可以用can’t和haveto，must来表示。E.gDon’topenthedoor.Youcan’topenthedoor.Pleasedoyourhomeworkfirst.Youhavetodoyourhomeworkfirst.Beontimeforclass,please.Youmustbeontimeforclass.祈使句用来表示命令、建议，但我们也E.gDon’topLibraryRulesDon’ttalk.______________________________________________________Task1

Writetherulesfortheschoollibrary.Don’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。巩固达标LibraryRulesTask1WritetherTask2

Discussandmakerulesforthecomputerroominyourschool.ComputerRules_____________________________________________________________________________GroupworkTask2DiscussandmakerulesfWemustbequietinthecomputerroom.Don’truninthecomputerroom.Don’teatordrinkinthecomputerroom.Wearslippersinthecomputerroom.WemustbequietinthecomputReportComputerRules_______________________________________________________________________________________________________________________________________________________________________________Wemustbequietinthecomputerroom.Don’teatordrinkinthecomputerroom.Don’truninthecomputerroom.Wearslippersinthecomputerroom.Cleanthecomputerroomeveryday.ReportComputerRulesWemustbeAtmydreamschool,wedon’thavetocometoschooleveryday.…Wecaneatinclass.…Makeupfivecoolrulesforyourdreamschool.Shareyourruleswiththeclass.YourclassmatesvotefortheCoolestSchool!提高巩固Atmydreamschool,wedon’thWedon’thavetowearschooluniforms.…Wecanlistentomusicinclass.…Wedon’thavetowearschooluWecaneatintheclassroom.…Wedon’thavetodohomework.…Wecaneatintheclassroom.Atmydreamschool,wedon’thavetocometoschooleveryday.Wecaneatintheclassroom.Wecanlistentomusicinclass.Wedon’thavetodohomework.Wedon’thavetowearschooluniformsatschool.ReportAtmydreamschool,wedon’tWecan’trule

thecountrywithout

rules.

没有规章制度就不能治理好国家.AnswermyquestionsCanwebelateforclass导单词PleaserememberNorules,nomanners.无规矩不成方圆Wecan’trulethecountrywithBequiet?(she/haveto/inthelibrary)Q:Doesshehavetobequietinthelibrary?A:Yes,shedoes.

Usethewordstomakequestionsabouttherules.Thenwriteanswersaccordingtoyourschool.ExerciseBequiet?(she/haveto/int2.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/inthedHomework1.RememberthesentencesintheGrammarFocus.2.Writefiverulesinyourfamily.Homework1.RememberthesentenThankyou!Thankyou!拓展情态动词can的用法表示能力（如体力和脑力方面），意为“能；会”等。例如：

CanyouspeakEnglish?你会讲英语吗？2.表示请求或允许，多用在口语中，意为“可以；能”等。例如：CanIhelpyou?我能帮助你吗？用于否定句表示不允许。例如：

Youcan’tplaybasketball.你不能玩篮球。拓展情态动词can的用法表示能力（如体力和脑力方面），意为拓展情态动词can的用法用于疑问句中用来提出要求。例如：

Canyou...？“请你……好吗？”表示说话人的请求。CanI...？“我可以……吗？”用来征求对方是否允许自己做某事。如在句末加上please一词就显得更有礼貌了。例如：

Canyouhelpme,please?请你帮助我好吗？

拓展情态动词can的用法用于疑问句中用来提出要求。例拓展情态动词can的用法3.表示可能。例如：

Hecanbeathomenow.他现在可能在家。

Themooncan’talwaysbefull.月亮不可能常圆。4.表示怀疑。在表达此意时，只能用于一般疑问句中，带有感情色彩。例如：

Canitbetrue?那会是真的吗？拓展情态动词can的用法3.表示可能。例如：拓展haveto与一般情态动词的异同相同点：

一般的情态动词不能单独作谓语，后面必须接动词原形一起构成谓语，haveto也是这样。拓展haveto与一般情态动词的异同相同点：拓展haveto与一般情态动词的异同不同点：

1、一般的情态动词没有人称和数的变化，而且所用的时态也受到一定的限制，而haveto有人称和数的变化。可用于多种时态中：一般现在时中当主语是第三人称单数时要用hasto，其余的人称用haveto，一般过去时中要用hadto。如：Shehastogotoschoolbybus.

她不得不乘公汽上学。

拓展haveto与一般情态动词的异同不同点：

1、一般的拓展2、否定句和疑问句的构成方式不同：

①一般的情态动词直接在后面加not构成否定句，把这些情态动词提到句首就构成一般疑问句。

②而haveto的否定句和疑问句的构成往往要借助于助动词do的适当形式或助动词will即haveto,hasto,hadto的否定式分别为don'thaveto,doesn’thaveto,didn’thaveto，疑问句是在句首加助动词do的相应形式,句中还原成haveto。

如:Whatdoesshehavetodo?她必须做什么？

Youdidn‘thavetowaitformeyesterday.

昨天你没有必要等我。

haveto与一般情态动词的异同拓展2、否定句和疑问句的构成方式不同：

①一般的情态动词直1.MrGreen

smokehere,becausethere’sasignonthewall.Itsays“Nosmoking.”2.It’sveryhotoutside.You

wearahat.3.We

eatintheclassroom,becauseit’simpolitetoteachers.4.I

gotobedafter11:00onschoolnight.5.Thestudents

readbooksandmagazinesinthelibrary.can’tcancancancan’tPractice根据句意，用can和can’t填空。1.MrGreensmokeh1.We________cleanourclassroomafterschool.2.She_______makeherbedaftergettingup.3.It’slate.MrBeckman________gotoworkbycar.4.EmilyandPeterjoinamusicclub.They_________practiceguitareveryday.havetohavetohastohasto用haveto或hasto填空。Practicehavetohavetohastohasto用hav人教版初中英语-七年级下册第四单元Section-A--Grammar-Focus-3c课件Don’teatinclassUnit4SectionAGrammarFocus-3cDon’teatinclassUnit4SectiDon’teatinclass.Don’tarrivelateforclassDon’tsleepinclass.Don’truninthehallways.Don’ttalk.Don’tplaysoccerintheclassroom.Don’tfight.Don’tlistentomusicintheclassroom.Saysomeschoolrules温故知新Don’teatDon’tarriveDon’ts

Don’tplaybasketballinclass.Youhavetoplayontheplayground.Whatdoyousaytohim?PleaseplayontheplaygroundDon’tplaybasketballincl

Don’tarrivelateforclass.Youmustbeontimeforclass!Whatdoyousaytohim?Beontimeforclass,please!Don’tarrivelateforclas

Don’tlistentomusicinclass.Youmustlistentotheteachercarefully.Whatdoyousaytohim?Listentotheteachercarefully.Don’tlistentomusicincl

Don’twearyourownclothesatschool.Youhavetowearyourschooluniform.Whatdoyousaytohim?Wearyourschooluniform,please!Don’twearyourownclothes

Don’tsleepinclass.Listentotheteachercarefully.Whatdoyousaytohim?Don’tsleepinclass.Whatd

Don’ttalkinclass.Bequiet,please!Whatdoyousaytothem?Don’ttalkinclass.Whatdo

Don’twearthehatinclass.Pleaseputyourhatintothedesk.Whatdoyousaytohim?Don’twearthehatinclass

Don’teatinclass.Pleaseeatinthedininghall.Whatdoyousaytohim?Don’teatinclass.Whatdo

Don’tfight.Befriendlytoyourclassmate!Whatdoyousaytothem?Don’tfight.Whatdoyousay

Don’truninthehallways.Pleasewalkslowly.Whatdoyousaytohim?Don’truninthehallways.WYouhavetoplayontheplayground.Youmustbeontimeforclass.Youcan’tlistentomusicinclass.Thinkanddiscuss

Playontheplayground,please.Beontimeforclass,please.Don’tlistentomusicinclass!Youhavetoplayontheplaygr祈使句是表示请求、命令、建议等的句子。通常省略主语，谓语动词一律用。根据句子语气的强弱，句末用号或号。祈使句原形感叹句合作探究you祈使句是表示请求、命令、建议等的句子。通常省略主语一、祈使句的肯定式1.以开头，简称Do型。e.g.Comehere.到这儿来。2.以动词开头，简称Be型。e.g.Bequiet,please.请安静。行为动词原形be一、祈使句的肯定式行为动词原形be注意有时可在祈使句的句首或句尾加上，使语气显得客气、有礼貌。如果在句尾加，应该用与前句隔开。e.g.Gothisway,please.请这边走。pleaseplease逗号注意pleaseplease逗号二、祈使句的否定式Do型和Be型的否定式是在句首加。e.g.Don’tsithere.不要坐在这儿。

Don’tbelate.别迟到。don’t二、祈使句的否定式don’t将下列句子翻译成英语。1.请看这幅图画。2.不要在教室里跑。3.在图书馆保持安静。Pleaselookatthepicture./Lookatthepicture,please.Don’trunintheclassroom.Bequietinthelibrary.将下列句子翻译成英语。Pleaselookatthe4.让我们帮他。5.上课不要迟到。6.禁止游泳！Don’tbelateforclass.Let’shelphim.Noswimming!4.让我们帮他。Don’tbelateforcla

以Let开头，简称Let型。e.g.Let’sgo!咱们走吧!

以let开头的祈使句，其否定式有两种：一种是直接在句首加don’t，另一种是“let+宾语+not+动词原形+(其他)”。e.g.Don’tlethimgo.不要让他走。Let’snotgothere.咱们别去那儿。拓展延伸以Let开头，简称Let型。拓展延伸“No+名词/动词⁃ing形式”表示禁止或规劝，常用于公共场所。e.g.Nophotos!禁止拍照！

Nosmoking！

禁止吸烟！人教版初中英语-七年级下册第四单元Section-A--Grammar-Focus-3c课件祈使句用来表示命令、建议，但我们也可以用can’t和haveto，must来表示。E.gDon’topenthedoor.Youcan’topenthedoor.Pleasedoyourhomeworkfirst.Youhavetodoyourhomeworkfirst.Beontimeforclass,please.Youmustbeontimeforclass.祈使句用来表示命令、建议，但我们也E.gDon’topLibraryRulesDon’ttalk.______________________________________________________Task1

Writetherulesfortheschoollibrary.Don’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。巩固达标LibraryRulesTask1WritetherTask2

Discussandmakerulesforthecomputerroominyourschool.ComputerRules_____________________________________________________________________________GroupworkTask2DiscussandmakerulesfWemustbequietinthecomputerroom.Don’truninthecomputerroom.Don’teatordrinkinthecomputerroom.Wearslippersinthecomputerroom.WemustbequietinthecomputReportComputerRules_______________________________________________________________________________________________________________________________________________________________________________Wemustbequietinthecomputerroom.Don’teatordrinkinthecomputerroom.Don’truninthecomputerroom.Wearslippersinthecomputerroom.Cleanthecomputerroomeveryday.ReportComputerRulesWemustbeAtmydreamschool,wedon’thavetocometoschooleveryday.…Wecaneatinclass.…Makeupfivecoolrulesforyourdreamschool.Shareyourruleswiththeclass.YourclassmatesvotefortheCoolestSchool!提高巩固Atmydreamschool,wedon’thWedon’thavetowearschooluniforms.…Wecanlistentomusicinclass.…Wedon’thavetowearschooluWecaneatintheclassroom.…Wedon’thavetodohomework.…Wecaneatintheclassroom.Atmydreamschool,wedon’thavetocometoschooleveryday.Wecaneatintheclassroom.Wecanlistentomusicinclass.Wedon’thavetodohomework.Wedon’thavetowearschooluniformsatschool.ReportAtmydreamschool,wedon’tWecan’trule

thecountrywithout

rules.

没有规章制度就不能治理好国家.AnswermyquestionsCanwebelateforclass导单词PleaserememberNorules,nomanners.无规矩不成方圆Wecan’trulethecountrywithBequiet?(she/haveto/inthelibrary)Q:Doesshehavetobequietinthelibrary?A:Yes,shedoes.

Usethewordstomakequestionsabouttherules.Thenwriteanswersaccordingtoyourschool.ExerciseBequiet?(she/haveto/int2.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/inthedHomework1.RememberthesentencesintheGrammarFocus.2.Writefiverulesinyourfamily.Homework1.RememberthesentenThankyou!Thankyou!拓展情态动词can的用法表示能力（如体力和脑力方面），意为“能；会”等。例如：

CanyouspeakEnglish?你会讲英语吗？2.表示请求或允许，多用在口语中，意为“可以；能”等。例如：CanIhelpyou?我能帮助你吗？用于否定句表示不允许。例如：

Youcan’tplaybasketball.你不能玩篮球。拓展情态动词can的用法表示能力（如体力和脑力方面），意为拓展情态动词can的用法用于疑问句中用来提出要求。例如：

Canyou...？“请你……好吗？”表示说话人的请求。CanI...？“我可以……吗？”用来征求对方是否允许自己做某事。如在句末加上please一词就显得更有礼貌了。例如：

Canyouhelpme,please?请你帮助我好吗？

拓展情态动词can的用法用于疑问句中用来提出要求。例拓展情态动词can的用法3.表示可能。例如：

Hecanbeathomenow.他现在可能在家。

Themooncan’talwaysbefull.月