Unit2SectionAGrammarFocus课件人教版级英语下册

Unit2NoRules,NoOrderSectionA

GrammarFocusTomisanexchangestudentintheschool.HowcanIbeagoodstudentinChinaFollowschoolrulesStudyschoolrulesActivationPerceptionProbe(探索)PracticeProductionSchoolrulesBequietDon'tarrivelateforclass/Beontime.Don'tfight.Listentotheteacherscarefully.Wearschooluniform.Don'truninthehallways.BrainstormActivationPerceptionProbe(探索)PracticeProductionWalkinthehallway.Don’trun!Bepoliteandtreatoneanotherwithrespect.Don’tlitter./Youmustn’tlitter./Youcan’tlitter.Canwebringourphonestoclass?No,wecan’t.Wemustkeeptheminourlockers.Canweeatsnacksinclass?No,wecan’teatinclass.Wehavetoeatinthedininghall.ObserveandlearnWhichsentencesareimperativesentences（祈使句）?Whichsentencescontainmodalverbs（含有情态动词）?Whatarethemodalverbs?祈使句含有情态动词ActiviationPerceptionProbe(探索)PracticeProduction3aReadthesentences.DotheverbsinboldneedtochangeformsWhyWalkinthehallway.Don’trun!Bepoliteandtreatoneanotherwithrespect.Don’tlitter./Youmustn’tlitter./Youcan’tlitter.Canwebringourphonestoclass?No,wecan’t.Wemustkeeptheminourlockers.Canweeatsnacksinclass?No,wecan’teatinclass.Wehavetoeatinthedininghall.No,theydon’t.Becausetheverbsappearinimperativesentencesoraftermodalverbs.在

祈使句中

和

情态动词后，动词均用原形。ActiviationPerceptionProbe(探索)PracticeProductionGrammarFocus出现了哪些情态动词？can,must,havetoWalkinthehallway.Don’trun!Bepoliteandtreatoneanotherwithrespect.Don’tlitter./Youmustn’tlitter./Youcan’tlitter.Canwebringourphonestoclass?No,wecan’t.Wemustkeeptheminourlockers.Canweeatsnacksinclass?No,wecan’teatinclass.Wehavetoeatinthedininghall.Readthesentencesandcirclethemodalverbs.3aActiviationPerceptionProbe(探索)PracticeProduction情态动词情态动词表示说话人的语气和情态，如请求、许可、意愿、可能等。在形式上，情态动词一般没有人称和数的变化。有的情态动词没有时态的变化，如must。情态动词本身不能单独作谓语，必须和动词原形连用。常见的情态动词有can,may,must,haveto,should,would等。ActiviationPerceptionProbe(探索)PracticeProduction情态动词一般有多个意义。情态动词的否定式一般是在其后加not构成，一般疑问句通常将它提到句首。情态动词的肯定式一般不重读。二、情态动词can的用法can可表示能力、许可、请求等。其否定形式为can’t/cannot。表示能力，意为“能，会”。

我们会说一点英语。WecanspeakalittleEnglish.

我会打羽毛球，但我不会打排球。Ican

playbadminton,butIcan’tplayvolleyball.ModalVerbs情态动词表示许可，意为“可以”。

你可以在周末打篮球。Youcan

playbasketballattheweekend.

我们不能在走廊里奔跑。Wecan’truninthehallways.

表示请求，意为“可以”。你能帮助我学习中文吗一CanyouhelpmewithmyChinese是的，我可以。一Yes,Ican.

ActiviationPerceptionProbe(探索)PracticeProduction三、情态动词haveto和must的用法haveto①常强调客观需要,多译为“不得不”;②有时态、人称和数的变化，其一般现在时的第三人称单数形式为hasto，过去式为hadto。haveto的否定形式为don’thaveto，表示“不必”。must①常表示说话人的主观看法，多译为“必须”;②没有时态、人称和数的变化。must的否定形式为mustn’t，表示“禁止，不准”。ModalVerbs情态动词ActiviationPerceptionProbe(探索)PracticeProductionHehastodropoutofschoolbecausehisfamilyispoor.因为家里穷，他不得不退学。(客观需要)Youdon’thavetogetupearlytoday.你今天不必早起。Wemustdosomethingtoprotecttheearth.我们必须做点什么来保护地球。(主观看法)Youmustn’ttalktoyourmotherlikethat.你不准那样跟你妈妈说话。ModalVerbs情态动词ActiviationPerceptionProbe(探索)PracticeProductionmust意为“必须”，表示说话人认为十分有必要做某事eg:Everybody______followthetrafficrules.mustn’t表示“禁止，不允许”eg:Children________swimaloneintheriver.mustn’tmust情态动词must/mustn't的用法ActiviationPerceptionProbe(探索)PracticeProductionMustIfinishmyhomeworkbeforeeighto’clockYes,youmust.No,youmustn’t.No,youneedn’t.No,youdon’thaveto.mustn’t=mustnot表示禁止：不许must其他用法Youmustbehungry.must:表示猜测，“一定；必然”情态动词must引导的疑问句以及回答ActiviationPerceptionProbe(探索)PracticeProductionCanwebringourphonestoclass?No,wecan’t.Wemustkeeptheminourlockers.Canweeatsnacksinclass?No,wecan’teatinclass.Wehavetoeatinthedininghall.词语

意思

相同

例句

haveto

第三人称单数_____,疑问句或否定句要借助________,否定形式表示________因为他的自行车坏了,他不得不步行去上学。

must

情态动词,否定句mustn't意为_______,否定回答可以用_______或_________

我们必须努力学习。我必须打扫所有的房间吗？(否定回答)不得不后跟动词原形hastodo;does“不必”Hehastowalktoschoolbecausehisbikeisbroken.必须“禁止”needn’tdon’thavetoWemuststudyhard.MustIcleanalltheroomsNo,youneedn’t/don’thaveto.

ActiviationPerceptionProbe(探索)PracticeProductionCompletethesentencesusingcan,haveto/must,orcan't/mustn't.3b1.Don’tjumpthequeue.You______________waityourturn.2.I______feedmydogmanykindsoffood,butI______________givehimchocolate.Itisbadforhim!3.A:CanIleavetheclassroomifIdon'tfeelwellB:Yes,butyou_____tellyourteacheraboutitwhenyou_________beabsentfromclass.4.A:Hey!CanIlookatyourbookB:Shh,we______________talkquietlyinthelibrary.5.A:CanyouputonyourseatbeltWe______________wearonewhenwe'reinacar.B:Sure.Thanks!haveto/mustcancan’t/mustn’thavetocanhaveto/musthaveto/mustjumpthequeue插队waityourturn等待你的顺序feedmydog喂狗leave离开beabsentfrom缺席quietly安静地putontheseatbelt系上安全带ActiviationPerceptionProbe

PracticeProductionjumpthequeuebeabsentfromclassfeedthedogActiviationPerceptionProbe

PracticeProductiontalkquietlyinthelibraryputontheseatbeltLookandsay:Usethemodalverbstodecribetherulesinthepictures.用于表达_________、_________、_________等语气的句子。命令请求劝告定义例句祈使句ActiviationPerceptionProbe(探索)PracticeProductionWalkinthehallway.Don’trun!Bepoliteandtreatoneanotherwithrespect.Don’tlitter./Youmustn’tlitter./Youcan’tlitter.祈使句的特点1.通常省略___________。2.其肯定形式常以____________开头，否定形式是_________。3.祈使句句尾用______或________。主语you动词原形don’t句号感叹号Be型Do型Don't型Bepolite.Don’trun!Walkinthehallway.Don’tlitter.Treatoneanotherwithrespect.Beontime.Nophotos./Nosmoking.Politeness(礼貌）:Bepolite，please./Pleasebepolite.祈使句的类型No型ActiviationPerceptionProbe(探索)PracticeProduction肯定句：________

(+宾语)+其他.否定句：_____+动词原形(+宾语)+其他.1.上学日请穿校服。Weartheschooluniformonweekdays,please.Don’twatchTVbeforedinner.2.晚饭前不要看电视。动词原形Don’tWalkinthehallway.Don’trun!Do型祈使句ActiviationPerceptionProbe(探索)PracticeProduction

Bepolite.

Don’tbesad!肯定句：____+表语+其他.否定句：______+be+表语+其他.1.下次要细心。Becarefulnexttime.2.图书馆不要吵闹!Don’t

benoisyinthelibrary!=Bequietinthelibrary.BeDon’tBe型祈使句ActiviationPerceptionProbe(探索)PracticeProductionLet’sgo.Don’tletusgo.Let’s

obeytherules.Let’snotbreaktherules.肯定句：____+宾语+_________+其他.否定句：____+let+宾语+动词原形+其他.或Let+宾语+___+动词原形+其他.1.咱们休息一下吧。Let’shavearest.2.不要让他去游泳。Don’tlethimgoswimming.=Lethimnotgoswimming.Let动词原形Don’tnotLet’s型祈使句ActiviationPerceptionProbe(探索)PracticeProduction

Nosmoking!禁止抽烟!

Nocellphonesinclass.No型祈使句No+v-ing!/No+名词!3.禁止钓鱼!2.禁止停车!1.禁止拍照!Nofishing!Noparking!Nophotos!ActiviationPerceptionProbe(探索)PracticeProduction肯定祈使句②Be型祈使句③let型祈使句①do型祈使句否定祈使句Don’tbe+表语+其他.Don’tlet+宾语+动原+其他.Let+宾语+not+动原+其他.Don’t+动原+其他.Be+表语+其他.动原+其他.Let+宾语+动原+其他.No+动词-ing!No+名词!表示“禁止”④No型祈使句MakeasummaryActiviationPerceptionProbe(探索)PracticeProduction3cLookatthefirstsignandreadtherules.Thenwritetherulesfortheothersigns.Donoteatordrink.Noeatingordrinking.Youcan’t/mustn’teatordrink.Donotparkhere.Noparking(here).Youcan’t/mustn’tpark(here).ActiviationPerceptionProbe

PracticeProductionDonottakephotos.Nophotos/photography.Youcan’t/mustn’t

takephotos.Donotswim.Noswimming.Youcan’t/mustn’tswim.ActiviationPerceptionProbe

PracticeProductionDonotfeedthebirds.Nofeedingthebirds.Youcan’t/mustn’t

feedthebirds.Donotsmoke.Nosmoking.Youcan’t/mustn’tsmoke.ActiviationPerceptionProbe

PracticeProductionIngroups,brainstormthreerulesforoneoftheplacesbelow.Thendrawsignstoshowtherules.Shareyoursignsinclassandexplainwhattheymean.Sample:Inthelibrary,wemustkeepquietfirst.Wemustn’tmakenoise.Second,wecan’tbringanyfoodordrinktothelibrary.Wemustkeepitcleanandtidy.What’smore,you’dbetternotmakeorreceivephonecalls.

Let’smakethelibraryabetterplaceforustostudy.

libraryschooldininghallparkcinemahospital3dActiviationPerceptionProbe

PracticeProduction准备：

1.若干张写有不同场景（如公园、电影院、医院等）的卡片。2.绘画工具，如画纸、彩笔等。3.准备展示用的黑板或大屏幕。4.将学生分成若干小组，每组3-5人。5.每组派代表抽取一张场景卡片，确定他们需要制定规则的场景。规则：

1.小组成员讨论并使用祈使句和情态动词（如must,mustn't,can,can't等）来制定三条规则。例如，如果抽到“公园”，规则可能是：Youmustn'tpicktheflowers.（你不许摘花。）2.每组根据制定的规则画出相应的标识。例如，对于“不许抽烟”可以画一支烟加上一个禁止符号。3.每组派一名代表将画好的标识展示在黑板或大屏幕上，并向全班同学解释这些标识的含义和对应的规则。ProductionGroupwork:规则制定者口头作文

请你根据所给的图片进行1分钟的口头作文。在进行口头作文前，你有60秒钟左右的准备时间，按照提示在规定时间内录音。本题共7分。提示：以下是你所在的红星学校的学校规则。Therearemanyrulesin/atourschool.Wemustwearschooluniformsonschoolday.Wecan’truninthehallwaysandwecan’tusephonesintheclassroom.Wecan’tusetalkwithothersinaloudvoice/loudlyinthelibrary.Weshouldn’tlitteranywhereandkeeptheschoolcleanandtidy.Ithinktheschoolrulesarestrictbuttheyaregoodforus.Rulesareeverywhereinourdailylife.Weshouldfollowtherulesandmakeaquietandcomfortableplaceforeveryone.Languagepoints〖短语归纳〗插队

→

jumpthequeue小声讲话

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talkquietly等待

→

waitfor互相

→

oneanother/eachother举手

→

raise/putupone’shand缺席;不在

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beabsentfrom系上安全带

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putonseatbelt保持安静

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keepquiet制造噪音

→

makenoise对……有害

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bebadfor_______(keep)calm(冷静的)andcarryon.There’sstillalongwaytogo.No___________(swim)here!It’sdangerous.Weareinthelibrary.Please