Unit+2+++No+RulesNo+Order+Review（课件）-2024-2025学年人教版英语七年级下册

Unit2No

rules,No

order1.Tolearntotalkabouttherules.2.Tolearntousehaveto/must,canandcan’t.3.TolearntouseImperativessentences.Walkinthehallways.Don’trun！Bepoliteandtreatoneanotherwithrespect.Don'tlitter./Youmustn'tlitter.Youcan'tlitter.祈使句(ImperativeSentence)1.定义：祈使句一般用来表示请求、命令、劝说、号召、警告等。2.祈使句的特点通常省略第二人称主语you肯定式以动词原形开头祈使句句尾用句号或感叹号Don’teatinclass.Don’tplaysportsintheclassroom.Don’tfight.肯定祈使句否定祈使句Bequiet，please.3.祈使句的类型肯定结构Do型：动词原形+其他Gotobednew!Comeback!Be型：Be+其他Bequiet,please.Becareful.Let型：Let+sbdo+其他Let'sgo.Let'shavearest.否定结构Don't型Don't+动词原形+其他Don't+Be+其他Don't+Let+sbdo+其他Don'tsmokehere!Don'tbelate.Don'tlethimleave.No型No+n.No+V-ingNophotos!Nosmoking!“No+名词/动词⁃ing形式”表示禁止或规劝，常用于公共场所。注意事项有时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。e.g.Gothisway,

please.

请这边走。Canwebringourphonestoclass?No,wecan’t,butwekeeptheminourlockers.Canweeatsnacksinclass?No,wecan’teatinclass,butwehavetoeatinthedininghall.GrammarFocus1.情态动词的作用？表达说话人的态度、意愿、推测、建议、能力、义务等2.情态动词有什么特点？1.在形式上，情态动词一般没有人称和数的变化。2.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能、may可能、must必须、haveto不得不、should应该、would将会等。3.情态动词的否定式一般是在其后加not，一般疑问句一般是将它提前。情态动词can句型结构肯定句:主语+can+动词原形+其他.否定句：主语+cannot/can’t+动词原形+其他.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.can表示能力、许可、请求等情态动词mustMust表示必须，常表示说话人的主观看法，没有人称和数的变化，后接动词原形，其否定形式为mustn't,含义为不准，禁止1.must通常表示的是说话人的主观看法，语气比较强烈。

haveto往往强调客观需要。2.否定含义大不相同

mustn't表示“不准；禁止”don'thaveto表示“不必”区别：Wemusthelpotherswhentheyareintrouble.当别人有困难时我们必须要帮助他们（主观:责任感的驱使）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与haveto的不同点Completethesentencesusing

can,haveto/must,orcan't/mustn't.

1.Don’tjumpthequeue.You____________waitforyourturn.2.I_________feedmydogmanykindsoffood,butI_________givehimchocolate.Itisbadforhim!3.A:CanIleavetheclassifIdon’tfeelwell?B:Yes,butyou______________tellyourteacheraboutitwhenyou_____________beabsentfromclass.4.A:Hey!CanIlookatyourbook?缺席；不在B:Shh,we_______________talkquietlyinthelibrary.5.A:Canyouputonyourseatbelt?We______________wearonewhenwe’reinacar.B:Sure.Thanks!must/havetocancan'tmust/havetomust/havetomust/havetomust/haveto插队系好安全带等待Lookatthefirstsignandreadtherules.Thenwriterulesfortheothersigns.Don’tparkDon’ttakephotosDon’tswimIngroups,brainstormthreerulesforoneoftheplacesbelow.Thendrawsignstoshowtherules.Shareyoursignsinclassandexplainwhattheymean.Inthelibrary,wemustkeepquiet.Wemustn’tmakenoise.Wecan’t…1a.Doesyourschoolhavetheserules?Ticktheonesthatyourschoolhas.迟到准时走廊校服手机乱扔垃圾有礼貌的对待尊敬举起问题1b.Listentothefirstpartoftherecording.Ticktherulesthatarementioned.listen√√1c.Listenagain.Completethesentences.1.Marycan't

inthe

.2.Sallymustn'twearherownjacketat

.Shehastowear

.3.Tonycan't

.Hemustkeeptheschool

.listenrunhallwayschooltheuniformlittercleanandtidygrammar情态动词核心含义语境特点例句‌can能力/许可/可能性多用于能力、请求或理论可能性Shecanswim.‌must‌主观必须/肯定推测强调个人强制或逻辑推测Youmustbequiet.‌haveto客观必须外部条件迫使Wehavetofollowrules.‌注意事项：can’tvs.mustn’t‌：can’t表示“不能”或“不可能”；mustn’t表示“禁止”。1e.Inpairs,talkabouttherulesinlc.talkwithfriendsA:Cansb.dosomethinginsp.?B:Yes,hecan./No,hecan't.Buthecan……pronunciation1.Listenandrepeat.Addonemorewordtoeachgroup.weeggseadeadbeehearwear2.Listentothechantandnoticethestressedwords.Thenlistenagainandrepeat.pronunciation2a.Listentotheconversationandcirclethecolouredwordsyouhear.listen第一天一切还好吗？借给接我的电话带来把它们关掉Watchavideogrammarlendv.借给；给予，提供（帮助、支持等）；给…增加，增添(特色)；借出；(向…)贷(款)n.(短期)贷款lendsb.sth.＝lendsth.tosb.借给某人某物我借给他一支笔：Ilenthimapen.注：borrow指“借入”我借了他一支笔：Iborrowedhimapen.2b.ReadtheconversationandcompleteTom'snotesabouttheschoolrules.eatsnacksinclass.bringourmobilephonestoclass.turnthemoffandkeeptheminourlockers.2c.Readtheconversationagainandanswerthequestions.1.WhyisthedayspecialforTom?2.WhatdoesAnnelendtoTom?3.Whydoesn'tAnnetakeasweetfromTom?4.CanTomandAnneusetheirphonesinclass?5.Wheremusttheykeeptheirphones?6.Doyouthinktheyhavegoodschoolrules?Giveyourreasons.Becauseit'shisfirstdayatthisschool.Herpen.Becausetheycan'teatsnacksinclass.No,theycan't.Theymu