七年级英语下册 Unit 4 Don’t eat in class Section A 2课件 (新版)人教新目标版.ppt_第1页
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Unit4Donteatinclass.,SectionAPeriodTwo,Objectives,TolearntotalkaboutlibraryrulesTolearntoaskandanswerquestionsabouttherules,Letsplayagame!Whoknowsthesesigns?,Dontsmoke!Nosmoking!,Dontfight.,Dontlistentomusicintheclassroom!,intheclassroom,Dontruninthehallways.,Donteatintheclassroom.,intheclassroom,Donttakephotoshere.Nophotos!,Pleaseturnright!Youcanturnright!,Donttakeyourschoolbagstothelibrary!Noschoolbags!,inthelibrary,Dontarrivelateforclass.,Donttalkinthelibrary!Notalking!,inthelibrary,Donttalkloudlyinpublic!,inpublic(在公共场所),Practice,Canwe?Yes,wecan.No,wecant.,eatinclasslistentomusicoutsidewearhatsinschoolfightinclassspeakloudlyinthelibrary,Libraryrules1.Donttalk.2._3._4._,Donteat.,Writetherulesfortheschoollibrary.,3a,Dontlistentomusic.,Donttakephotos.,Usethewordstomakequestionsabouttherules.Thenwriteanswersaccordingtoyourschool.,3b,1.Bequite?Q:Doesshehavetobequiteinthelibrary?(she/haveto/inthelibrary)A:Yes,shedoes.2.Eat?Q:_(he/haveto/inthedininghall)?A:_,Doeshehavetoeatinthedininghall?,No,hedoesnt.Hecanalsoeatoutside.,3.Listentomusic?Q:_(we/can/inthehallways)?A:_4.Wearahat?Q:_(we/can/intheclassroom)?A:_,Canwelistentomusicinthehallways?,Canwewearahatintheclassroom?,No,wecant.,No,wecant.,Whattimedoestheschoolbegininthemorning?Whendoyouhavetoarriveatschoolinthemorning?Asstudents,whatdoyouhavetodointheschool?,I_auniformeveryday.,They_wearauniformeveryday.,Yes,_.,Lookandsay.,Doyouhavetowearauniformeveryday?,haveto,No,_.,havetowear,Ido,Idont,I_dohomeworkeveryday.,haveto,I_onweekends.,havetocleanmybedroom,Dowehavetowearauniform?,Yes,wedo.,Pairwork,Askandanswerquestionsabouttherulesatyourschool.,Wehaveto.Wehavetoarriveatschoolontime.Wehavetodohomeworkeveryday.Wehavetocleantheclassroomeveryday.Wehavetokeeptheclassroomclean.Wehavetostudyhardatalllessons.,Whatdoyouhavetodoatschool?,Groupwork,-Doyouhavetointheschool?-Yes,wedo./No,wedont.,wearschooluniformseverydaycleantheclassroomseverydaydomorningexerciseseverydaydohomeworkeverydayhaveclassesfromMondaytoSaturdaywearschoolbadge(校徽)everydayarriveatschoolbefore7:00amlisteningtoEnglisheveryday,WehavetoWehavetoarriveatschoolontime.Wehavetodohomeworkeveryday.Wehavetocleantheclassroomeveryday.Wehavetokeeptheclassroomclean.Wehavetostudyhardatalllessons.,Whatelsedoyouhavetodoatschool?Wehaveto,Makeupfivecoolrulesforyourdreamschool.Shareyourruleswiththeclass.YourclassmatesvotefortheCoolestSchool!,3c,1.Wecaneatinclass.2.Wedonthavetocometoschooleveryday.3.,Languagepoints,情态动词can的用法1)表示能力“会,能”Canyouplaytheguitar?你会弹吉它吗?JudycanspeakalittleChinese.朱蒂会说一点中文。Icandanceandsing.我能唱歌又能跳舞。,词语链接,2)表示允许、许可,“可以”、“能”(在这一课中新学的词义)Canthestudentsruninthehallways?学生们可以在走廊上跑吗?Wecaneatoutside.我们可以在外面吃东西。,注意:和大部分情态动词一样,can在否定句中,直接在can后加上not,在疑问句中,把can放到主语前面,并且没有人称和数的变化。,肯定祈使句Sitdown.Comein.Eatathome.,否定祈使句Dontsitdown.Dontcomein.Donteatathome.,Grammar,祈使句是用来表示请求、命令、叮嘱、号召或者劝告等的句子,这类句子的主语常是第二人称you,也就是听话者,因而you常省去了。祈使句的开头是动词原形。,如:Lookout!小心!Waithereforme!在这等我!Besuretocomehereontime!务必准时来到这里!,Listentomusicoutside.Dontlistentomusicoutside.Doyourhomeworkatschool.Dontdoyourhomeworkatschool.Dontlookoutofthewindow.不要向窗外看。,祈使句的否定形式多以donot(常缩写成dont)开头,再加上动词原形。,祈使句表示请求、命令、劝说、号召、警告等。表示委婉的祈使语气,可在句首或句末加上please,若在句末加please,之前要用逗号隔开。祈使句有肯定祈使句与否定祈使句两种。,祈使句的常见句型结构,Grammar,1.肯定祈使句的常见句型结构:Do型:动词原形+宾语+其他.如:Openthedoor,please.Be型:Be+表语.如:Beagoodboy!Let型:Let+宾语+动词原形+其他.(或:Lets+动词原形+其他.)如:Letmehelpyou.又如:Letsplaytennis.,2.否定祈使句的常见句型结构:Do型和Be型的否定式:Dont+动词原形/be+其他.如:Dontforgetme.又如:Dontbelate.Let型的否定式:Dont+let+宾语+动词原形+其他.(或:Lets+not+动词原形+其他.)如:Dontlethimgoback.又如:Letsnotgoswimming.警示语:No+名词/动词-ing形式.如:Notalking.,-Canweeatintheclassroom?No,wecant,butwecaneatinthedininghall.-Canwewearahatinclass?-Yes,wecan./No,wecant.Doeshehavetowearauniformatschool?Yes,hedoes./No,hedoesnt.Whatdoyouhavetodo?Wehavetobequietinthelibrary.,课时重点回顾,Review,用所给单词的适当形式填空。1.Dont_(listen)tomusicinthelibrary.2.Dowehaveto_(clean)theroomeveryday?3.Youcant_(wear)sunglassesintheclassroom.4.Please_(arrive)atschoolontime(准时).5.Johnisoftenlatefor_(class).,class,listen,clean,wear,arrive,将下面的句子改为祈使句,每空一词。1.Youcancomein._,please.2.Icanhelpyou._me_you.3.Youcanteatinclass._inclass.4.Youcantbelateforschool._lateforschool.5.Youcanttakephotoshere._photoshere.,Comein,Lethelp,Donteat,Dontbe,No,late,dont,forschool,arrive2.music,listento,intheclassroom,dont3.eat,cant,intheclassroom,we,Formsentences,Dontarrivelateforschool.,Dontlis

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