Unit2NoRulesNoOrderSectionAGrammarFocus课件人教版七年级英语下册

Unit2GrammarFocusNorules,noorder.—Amy,___________talkingnow.Wearehavingaclass!—Sorry,Iwon’t.A.tostop B.stop C.stops D.stopping2LetKen________youhisnewtimetable.A.show B.shows C.toshow D.showing3—________eatanythinginclass,Mike.—Oh,I’msorry.A.Can’t B.Not C.Doesn’t D.Don’t11.Letme_____(tell)youaboutmyfamily.2.___________(notlisten)tomusicinclass.3.Doyouhaveto______(wear)schooluniformseveryday?4.Youcan’teatintheclassroom.Youcan_____(eat)inthedininghall.5.Youmust_____(be)quietinthelibrary.6.No___________(swim)intheriver!Itistoodangerous.7.Boysandgirls,please_____(keep)theclassroomtidyinschool.8.Everybody________(must,may)followthetrafficrules.tellDon’tlistenweareatbeswimmingkeepmust祈使句(ImperativeSentence)1.概念：一般用来表示请求、命令、劝说、号召、警告等。2.用法：在祈使句中,通常省略第二人称主语you。肯定式以动词原形开头，否定式一般在动词原形前加don’t。3.句末标点符号：用感叹号或句号。4.语调：读降调。肯定祈使句否定祈使句1.以行为动词原形开头，简称Do型e.g.Comehere.2.以动词be开头，简称Be型e.g.Bequiet,please.3.以Let开头，简称Let型e.g.Let’sgo!e.g.Don’tplaycomputergames.e.g.Don’tbelateagain.e.g.Nophotos.Noswimming.1.Don’t+动词原形+宾语+其他.3.No+n./v.-ing.2.Don’t+be+其他.TurnofftheTv,please.Goandwashyourhands.Let'splaybasketball.Haveagoodday!Bekindtoyourclassmates.Nosmoking!可在祈使句的句首或句尾加上please，使语气显得客气、有礼貌。如果在句尾加please，应该用逗号与前句隔开。请求命令建议叮嘱祝愿禁止各种情感的祈使句1.肯定句:主语+can+动词原形+其他.2.否定句：主语+cannot/can’t+动词原形+其他.3.疑问句:Can+主语+动词原形+其他?肯定回答：Yes,主语+can.否定回答：No,主语+can’t.情态动词can1.肯定句:主语+must+动词原形+其他.2.否定句：主语+mustnot/mustn’t+动词原形+其他.3.疑问句:Must+I+动词原形+其他?肯定回答：Yes,youmust.否定回答：No,youneedn’t/don'thaveto.情态动词mustWemusthelpotherswhentheyareintrouble.当别人有困难时我们必须要帮助他们（责任感的驱使,主观上必须做）Hehastostayherebecauseit'sraining因为下雨，他不得不呆在这。(受客观因素的影响)情态动词must&haveto1.Don'tjumpthequeue.You

waityourturn.2.I

feedmydogmanykindsoffood,butI

givehimchocolate.Itisbadforhim!3.A:CanIleavetheclassroomifIdon'tfeelwell?B:Yes,butyou

tellyourteacheraboutitwhenyoubeabsentfromclass.4.A:Hey!CanIlookatyourbook?B:Shh,we

talkquietlyinthelibrary.5.A:Canyouputonyourseatbelt?We

wearonewhenwe'reinacar.B:Sure.Thanks!Completethesentencesusingcan,haveto/must,orcan't/mustn't.haveto/musthaveto/musthaveto/musthaveto/musthaveto/mustcan'tcanLookatthefirstsignandreadtherules.Thenwritetherulesfortheothersigns.parktakephotosswimfeedbirdsPhrasesjumpthequeuebeabsentfromclassfeedthedogPhrasestalkquietlyinthelibraryputontheseatbeltCompletethesentencesusingcan,haveto/must,orcan't/mustn't.3b1.Don’tjumpthequeue.You______________waityourturn.2.I______feedmydogmanykindsoffood,butI______________givehimchocolate.Itisbadforhim!3.A:CanIleavetheclassroomifIdon'tfeelwell?B:Yes,butyou_____tellyourteacheraboutitwhenyou_________beabsentfromclass.4.A:Hey!CanIlookatyourbook?B:Shh,we______________talkquietlyinthelibrary.5.A:Canyouputonyourseatbelt?We______________wearonewhenwe'reinacar.B:Sure.Thanks!haveto/mustcancan’t/mustn’thavetocanhaveto/musthaveto/mustLookatthefirstsignandreadtherules.Thenwritetherulesfortheothersigns.3cDon’tpark.Noparking.Youcan’t/mustn’tpark.Don’ttakephotos.Nophotos.Youcan’t/mustn’ttakephotos.Lookatthefirstsignandreadtherules.Thenwritetherulesfortheothersigns.3cDon’tswim.Noswimming.Youcan’t/mustn’tswim.Don’tfeedthebirds.Nofeeding.Youcan’t/mustn’tfeedthebirds.Ingroups,brainstormthreerulesforoneoftheplacesbelow.3dlibraryschooldininghallparkcinemahospitalInthelibrary,wemustkeepquiet.Wemustn’tmakenoise.Wecan’tbringfoodtothelibrary.Wecan’ttalkloudlyinthelibrary.Wehavetoreturnthebooksontime.…Thendrawsignstoshowtherules.Shareyoursi