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Unit4Don’teatinclass.keeprulesbreakrulesschoolrulesclassrulesfamilyruleslibraryrulesdiningrules遵守规则违反规则校规班规家规图书馆规则进餐规则Wecan’trulethecountrywithoutrules.没有规章制度就不能治理好国家。SectionASummary:Howtotalkaboutrules1.祈使句Don'truninthehallways.Don'tarrivelateforclass.2.用情态动词can或can'tWecan'tdrinkinclass.Wecaneatinthedininghall.Review:Example:肯定祈使句否定祈使句1.Sitdown.2.Comein.3.Eatinclass.4.Listentomusicoutside.5.Doyourhomeworkatschool.Don’tsitdown.Don’tcomein.Don’teatinclass.Don’tlistentomusicoutside.Don’tdoyourhomeworkatschool.表示请求,建议,命令,禁止等语气的句子,其结构为省去主语you,以动词原形开头.祈使句特殊情况：1.Pleasehaveaseat.1.Pleasedon’thaveaseat.2.David,sitdown.2.David,don’tpayattention.3.Bequiet.3.Don’tbequiet.4.Let’sgohometogether4.Let’snotgohometogether否定否定否定否定5.Don’tsmokehere.同义句Nosmokinghere.Schoolrules:1.______arrivelateforclass/school.2.Don’teat_________.3.______fight.4.______theschooluniform.(校服)5._______wearahatin______.6.______runinthe___________.7.________________musicintheclassrooms/hallways.Don’tinclassDon’tWearDon’tclassDon’thallwaysDon’tlistento1.Don’tr____inthehallways.un2.Don’ta____lateforthemeeting.rrive3.Helikessinginganddancing.（否定句）Hedoesn’tlikesingingordancing.4.在外面吃饭5.学校规章制度6.上课迟到7.在课上8.和某人打架9.arrive—arrives—arriving—arrived10.fight—eatoutsideschoolrulesbe/arrivelateforclassinclasshaveafightwithsb./fightwithsb.fights—fighting—foughtbreakruleskeep/obeyrules1c:PairworkA:Whataretherules?1.Don’tarrivelateforclass.2.Don’truninthehallways.3.Don’teatintheclassroom.4.Don’tlistentomusicintheclassroomsorthehallways.5.Don’tfight.B:Wecan’tarrivelateforclass.A:Canwelistentomusicinclass?B:No,wecan’t.Wecan’tlistentomusicinclass,butwecanlistentoitoutside.根据句意，用can和can’t填空1.MrGreensmokehere,becausethere’sasignonthewall.Itsays“Nosmoking.”2.It’sveryhotoutside.Youwearahat.3.Weeatintheclassroom,becauseit’simpolitetoteachers.4.Thestudentsreadbooksandmagazinesinthelibrary.can’tcancancan’tSelectthecorrectverbfromthechoicesinparenthesis.选择正确的动词填空。1.(Can/Does)______weeatinclass?2.(Don't/Hasto)______wearahatinclass!3.DoesBill(haveto/can)______gotobednow?4.FranciscoandAndrew(can't/don't)______come?5.(Do/Haveto)______theywearsportsshoes?SectionBSummary:•1.Talkaboutfamilyrules•2.have/has•haveto/musttheJonesfamilyCanyoulisttherulesoftheJonesfamily?1._______________________2._______________________3._______________________4._______________________5._______________________6._______________________Don’tsleeptoolateonSunday.Don’twatchTVlateatnight.Don’teatonthebed/inbed.CleanyourbedroomonSaturday.Don’ttalkloudlyathome.Don’tplaytheguitarlateatnight.用haveto或hasto填空1.Wecleanourclassroomafterschool.2.Shemakeherbedaftergettingup.3.It’slate.MrBeckmangotoworkbycar.4.EmilyandPeterjoinamusicclub.Theypracticeguitareveryday.havetohavetohastohastohavetodon’t/doesn’thaveto必须，不得不不必1.我们必须穿校服吗？2.玛丽必须穿运动鞋上体操课吗？是的，她是。3.琳达，你不必在上午七点前到校。4.他们在学校不得不做什么呢？5.我们必须在课上保持安静。must与haveto在英语中，must与haveto都可以表示“必须”，但其用法有所不同。(1)must表示说话人的主观看法，认为有义务有必要。如：我们必须努力工作。（是我们要这样做的）We_____________________.haveto表示客观需要，即周围的环境、习惯、协约等要求某人“不得不作某事”。如：我们不得不努力工作。（环境使我们不得不这样做）We________________________.muststudyhardhavetostudyhard(2)must的否定形式为_________,haveto的否定形式为_____________,两者意义也不同。前者表示“不应该”、“不许可”、“禁止”等，后者表示“不必要”。如：你们不能在马路上踢足球。You_______playfootballontheroad.你今天不必练钢琴了。You____________________practicethepianotoday.(3)要表示过去或将来“必须”，则必须用haveto的相应形式。如：昨天我们不得不去购物。We____________goshoppingyesterday.mustn’tdon’thavetomustn’thadtodon’thaveto练一练：1.Hehastostayathome.否定：He__________________stayathome.一般疑问：_______he___________stayathome?Yes,he______./No,he_______.划线提问：___________he_____________?2.She___comeearlynexttime.A.don'thavetoB.hasn’ttoC.doesn'thastoD.doesn’thaveto3.Doesshehavetogetupsoearlytomorrowmorning?Yes,she________.A.isB.haveC.hasD.doesdoesn’thavetoDoeshavetodoesdoesn’tWhatdoeshavetodo4.Ilikethepartysomuch,butI___gohome.It’stoolate.A.mustB.havetoC.mayD.can5.DoesLinda___togotoschoolonweekends?No,she___.A.have,don'tB.has,doesn'tC.have,doesn'tD.has,haven’t1在教室里：在课堂上：在走廊上：在学校里：intheclassroominclassinthehallwaysatschool=inschool单元知识点2下课后：放学后：在上学的晚上：在晚上：到10点钟之前：afterclassafterschoolonschoolnightsatnightby10o’clock3.不要迟到：上课/上学不要迟到：Don’tarrivelate=Don’tbelateDon’tarrivelateforclass/school.=Don’tbelateforclass/school.4.Don’tarrivelateforclass.（同义句）Youcan’tarrivelateforclass.5.穿着校服穿上校服WearuniformsWearauniformPutonuniformsPutonauniform6.听音乐listentomusic7.What_____didhesay?（other/else)what______thingsdidyousee?otherelse8.Hehas__________thingstodotoday.Ihad__________homeworktodolastweekend.toomany/toomuchtoomanytoomuch9.运动鞋10.体育课sportsshoesgymclass11.Let’spractice_________(speak)Englishtoday.speaking12.她必须十点前睡觉She________gotobed____teno’clock.hastoby13.洗衣服帮妈妈做饭dosomewashinghelpmommake/cookdinnerwashone’sclothes=14.去少年宫学钢琴gototheChildren’sPalacetolearnthepiano15.不许大声喧哗Don’ttalkloudly!必背句子1.你们学校有什么规定？2不要在走廊上跑，不要迟到。3.你们在学校不得不穿校服吗？4.你还有别的不得不做吗？5.十点钟前我就得上床睡觉。6.我家有太多的家规。Whataretherulesatyourschool?Don'truninthehallwaysanddon'tarrivelateforclass.Doyouhavetowearauniformatschool?Whatelsedoyouhavetodo?Ihavetobeinbedbyteno'clock.Ihavetoomanyru