七年级英语下册 Unit 4 Don’t eat in class（第2课时）Section A（2a3c）课件 （新版）人教新目标版.ppt

unit4don teatinclass sectiona第2课时 2a 3c ourschoolisverybeautiful therearealotofruleshelpingustostudybetter whatarethey 1 don tarrivelateforclass youmustbeontime 2 don truninthehallways 3 don teatintheclassroom youmusteatinthedininghall 4 don tlistentomusicinclass 5 don tfight listencheck theactivitiesalanandcindytalkabout 2a 1 listentomusicintheclassroomorhallways2 listentomusicinmusicroom3 listentomusicoutside4 eatintheclassroom 5 eatinthedinninghall6 eatoutside7 wearahat8 fight 2a listenagain canalanandcindydotheseactivities circlecanorcan tabove 2b 1 listentomusicintheclassroomorhallways2 listentomusicinmusicroom3 listentomusicoutside cancan tcancan tcancan t 4 eatintheclassroom5 eatinthedininghall6 eatoutside7 wearahat8 fight cancan tcancan tcancan tcancan tcancan t studentaisalan studentbiscindy talkabouttherulesin2a 2c whataretheschoolrules alan well wecan tlistentomusicintheclassroom butwecanlistentomusicinmusicroom wecan teatintheclassroom butwecaneatinthedininghall anythingelse iwanttoknowmore 2c 2c caniwearahatintheclassroom ihaveaverybeautifulhat no youcan t andyoumustnotfightwithyourclassmates itwilldestroyyourfellings readtheconversationandcompletethesentencese 2c 1 john snewschoolhas 2 it simportant 3 johncan t musicplayersto 4 john wearsuniformstoschooland inthelibrary alotofrules tobeontime bring school always isquite 2d role playtheconversation hi myname sjohn it smyfirstdayatschool hi john i malice thisisagreatschool buttherearealotofrules 2d really whataresomeoftherules well don tbelateforclass thisisveryimportant ok sowemustbeontime canwebringmusicplayerstoschool no wecan t andwealwayshavetoweartheschooluniform 2d oh andwealsohavetobequietinthelibrary 2d isee grammerfocus writetherulesfortheschoollibrary 3a libraryrulesdon ttalk don tlistentomusic don teatordrink don ttakephotos usethewordstomakequestionsabouttherules thenwriteanswersaccordingtoyourschool 3b bequiet she haveto inthelibrary q doesshehavetobequietinthelibrary a yes shedoes 2 eat he haveto inthedinninghall q a doeshehavetoeatinthedininghall yes hedoes listentomusic we can inthehallways q a 4 wearahat we can intheclassroom q a canwelistentomusicinthehallways no wecan t canwewearahatintheclassroom no wecan t 3b wecaneatinclass atmydreamschool wedon thavetocometoschooleveryday we 3c makeupfivecoolrulesforyourdreamschool shareyourruleswiththeclass yourclassmatesvoteforthecoolestschool 一 祈使句1 含义 该句经常用来表示请求 命令 叮嘱 建议等 谓语动词用原形 句子没有主语 句子使用感叹号或者句号 2 句子结构 1 肯定句 be或行为动词原形 其他 如 listentome please 请听我说 languagepoints languagepoints 2 否定句 don t be或行为动词原形 其他 如 don teatintheclassroom 不要在教室里吃东西 3 句子类型 1 be型 be 表语 如 bequick 快一点 2 v型 行为动词 宾语 v若是不及物动词则无宾语 其他成分 如 closethedoor please 请关门 3 l型 let 宾语 动词原形 其他成分 注 let后面的宾语是第一人称的时候 否定形式是在宾语后面加not 如 let snotdothatagain 咱们别那样做了 如果let的后面宾语是第三人称的时候 否定形式是在let前加助动词don t 如 don tletthemcomein 不要让他们进来 languagepoints 二 情态动词must与haveto1 must 表示说话人的主观看法 即主观上的必要性 还用来表示命令和愿望 如 youmustfinishyourhomework 你必须做完你的作业 2 haveto表示客观需要 即周围的环境 习惯等要求某人不得不或必须去做某事 languagepoints 如 mymotherisill ihavetolookaftermylittersister 我妈妈病了 我必须在家照看我妹妹 注 1 must只用于现在时 在表示过去 将来和完成时 用haveto的相应形式来代替must 如 ihadtogetupearlyyesterday 我昨天必须早起 languagepoints 2 haveto的否定形式为nothaveto 相当于needn t 意为 不必 must的否定形式为mustnot 缩写为mustn t 意为 不能 千万不能 如 youdon thavetogotherenow 你现在不必去那儿 languagepoints 一 单项选择 1 withfire it sverydangerous a playingb playc don tplayd doesn tplay 2 thechildren playfootballontheroad a canb mustc mustn td may 3 mysister beatschoolbyseveno clock a h