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1、欢欢迎迎来来到到英英语语课课堂堂Unit 4Donteatinclass.SectionAPeriodTwoTolearntotalkaboutlibraryrulesTolearntoaskandanswerquestionsabouttherulesDontsmoke!Nosmoking!Dontfight.Dontlistentomusicintheclassroom!intheclassroomDontruninthehallways.Donteatintheclassroom.intheclassroomDonttakephotoshere.Nophotos!Pleaseturnri
2、ght!Youcanturnright!Donttakeyourschoolbagstothelibrary!Noschoolbags!inthelibraryDontarrivelateforclass.Donttalkinthelibrary!Notalking!inthelibraryDonttalkloudlyinpublic!inpublic(在公共场所在公共场所)PracticeCanwe?Yes,wecan.No,wecant.eatinclasslistentomusicoutsidewearhatsinschoolfightinclassspeakloudlyinthelib
3、raryLibraryrules1.Donttalk.2._3._4._Donteat.Writetherulesfortheschoollibrary.3aDontlistentomusic.Donttakephotos.Usethewordstomakequestionsabouttherules.Thenwriteanswersaccordingtoyourschool.3b1.Bequite?Q:Doesshehavetobequiteinthelibrary?(she/haveto/inthelibrary)A:Yes,shedoes.2.Eat?Q:_(he/haveto/inth
4、edininghall)?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?Whendoyouhavetoa
5、rriveatschoolinthemorning?Asstudents,whatdoyouhavetodointheschool?I_auniformeveryday.They _wear a uniform every day.Yes,_.Look and say.Do you have to wear a uniform every day?have toNo,_.havetowearI doI dontI_dohomeworkeveryday.havetoI_onweekends.havetocleanmybedroomDowehavetowearauniform?Yes,wedo.P
6、air workAskandanswerquestionsabouttherulesatyourschool.Wehaveto.Wehavetoarriveatschoolontime.Wehavetodohomeworkeveryday.Wehavetocleantheclassroomeveryday.Wehavetokeeptheclassroomclean.Wehavetostudyhardatalllessons.What do you have to do at school?Group work-Doyouhavetointheschool?-Yes,wedo./No,wedon
7、t.lwearschooluniformseverydaylcleantheclassroomseverydayldomorningexerciseseverydayldohomeworkeverydaylhaveclassesfromMondaytoSaturdaylwearschoolbadge(校徽校徽)everydaylarriveatschoolbefore7:00amllisteningtoEnglisheverydayWehavetoWehavetoarriveatschoolontime.Wehavetodohomeworkeveryday.Wehavetocleanthecl
8、assroomeveryday.Wehavetokeeptheclassroomclean.Wehavetostudyhardatalllessons.Whatelsedoyouhavetodoatschool?WehavetoMakeupfivecoolrulesforyourdreamschool.Shareyourruleswiththeclass.YourclassmatesvotefortheCoolestSchool!3c1.Wecaneatinclass.2.Wedonthavetocometoschooleveryday.3.情态动词can的用法1)表示能力“会,能”Canyo
9、uplaytheguitar?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。注意注意:和大部分情态动词一样和大部分情态动词一样,can在否定在否定句中句中,直接在直接在can后加上后加上not,在疑问句中在疑问句中,把把can放到主语前面放到主语前面,并且没有人称和数并且没有人称和数的变化。
10、的变化。肯定祈使句Sitdown.Comein.Eatathome.否定祈使句否定祈使句Dontsitdown.Dontcomein.Donteatathome.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。如如:Lookout!小心！小心！Waithereforme!在这等我！在这等我！Besuretocomehereontime!务必准时来到这里！务必准时来到这里！Listentomusicoutside.Dontlistentomusicoutside.Doyourhomeworkats
11、chool.Dontdoyourhomeworkatschool.Dontlookoutofthewindow.不要向窗外看。不要向窗外看。祈使句的否定形式多以祈使句的否定形式多以donot(常缩写成常缩写成dont)开头开头,再加上动词原形。再加上动词原形。祈使句表示请求、命令、劝说、号召、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，可在句首警告等。表示委婉的祈使语气，可在句首或句末加上或句末加上please，若在句末加，若在句末加please，之前要用逗号隔开。祈使句有肯定祈使句之前要用逗号隔开。祈使句有肯定祈使句与否定祈使句两种。与否定祈使句两种。祈使句的常见句型结构祈
12、使句的常见句型结构1.肯定祈使句的常见句型结构：肯定祈使句的常见句型结构：Do型：动词原形型：动词原形+宾语宾语+其他其他.如：如：Openthedoor,please.Be型：型：Be+表语表语.如：如：Beagoodboy!Let型：型：Let+宾语宾语+动词原形动词原形+其他其他.(或：或：Lets+动词原形动词原形+其他其他.)如：如：Letmehelpyou.又如：又如：Letsplaytennis.2.否定祈使句的常见句型结构：否定祈使句的常见句型结构：Do型和型和Be型的否定式：型的否定式：Dont+动词动词原形原形/be+其他其他.如：如：Dontforgetme.又如：又如：
13、Dontbelate.Let型的否定式：型的否定式：Dont+let+宾语宾语+动词动词原形原形+其他其他.(或：或：Lets+not+动词原形动词原形+其其他他.)如：如：Dontlethimgoback.又如：又如：Letsnotgoswimming.警示语：警示语：No+名词名词/动词动词-ing形式形式.如：如：Notalking.-Canweeatintheclassroom?-No,wecant,butwecaneatinthedininghall.-Canwewearahatinclass?-Yes,wecan./No,wecant.-Doeshehavetowearaunifo
14、rmatschool?-Yes,hedoes./No,hedoesnt.-Whatdoyouhavetodo?-Wehavetobequietinthelibrary.课时重点回顾课时重点回顾用所给单词的适当形式填空。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)atschoolon time (准时准时).5.Johnisoftenlatefor_(clas
15、s).classlistencleanweararrive将下面的句子改为祈使句，每空一词。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.ComeinLethelpDonteatDontbeNo1.late,dont,forschool,arrive2.music,listento,intheclassroo
16、m,dont3.eat,cant,intheclassroom,weForm sentencesDontarrivelateforschool.Dontlistentomusicintheclassroom.Wecanteatintheclassroom.Writedowntensentencesaboutwhatyoucanorcantdoinyourhouse.Wecanteatinbed.Wecantfight.TopreviewthenewwordsandexpressionsWhatrulesdoyouhaveinyourhouse?励志名言励志名言形成天才的决定因素应该是勤奋安全小贴上课间活动注意安全
