【文档说明】《Unit 4 Don’t eat in class》教学课件4-七年级下册新目标英语【人教版】.ppt,共(22)页,1.703 MB,由小喜鸽上传
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人教版七年级英语下册Unit4Don’teatinclass.SectionA(3a-3c)语法课【学习目标】1.使用祈使句和情态动词表示规则.2.情态动词can、must及haveto的用法3.培养学生遵守校园规则,意识到Norules,nobea
utifulschool。Don’truninthehallways.Don’teatintheclassrooms.Don’ttalkinclass.Don’tfightschoollibrary.3a.Writetherulesfortheschoollibrary.Library
Rules1.2.3.4.Don’ttalk.Don’teat.Don’tlistentomusic.Don’ttakephotos.探究语法(一):祈使句P119祈使句:表示命令、请求等,其结构为省去主语_______的简单句.1、一般以__________
开头2、句末用_____号或______号3、为表示客气,句首或句末可加_______,________放在句末时,前要用逗号。Pleaselistentome.Listentome,please.4、否定式结
构在动词原形前加_______.you动词原形句号感叹号PleasePleaseDon’t.一、祈使句的肯定式Comein!进来!Bequiet!保持安静Let’sgo!咱们走吧!(Bequiet,please.=Pleasebequiet。请安静)观察与思考祈使句的肯定式:祈
使句的肯定式有____种,其中是do型be型let型.1.实义动词+其他2.Be+形容词3.Letsbdosth二、祈使句的否定式1.Don’tsithere.不要坐在这儿。Don’tbelate.别迟到。Don’tlethimgo.不要让他走。2.以下标
志语表示禁止或规劝,常用于公共场所。e.g.Nophotos!禁止拍照!Nosmoking!禁止吸烟!观察与思考否定祈使句有____种,其中是:1._________________2__________________1.Don’t+动词
原形No+名词/动词ing=Notalking!Don’ttalk.Bequiet!Don’teatfood.=Nofood!Wehavetoweartheschooluniform.Don’truninthehallways.Don’tfight.Whataretherules?Wemus
tbeontimeforclass.Canweeatintheclassroom?No,wecan’t,butwecaneatinthedininghall.Canwewearahatinclass?Yes,wecan./No,wecan’t.Doeshehavetowearauniformats
chool?Yes,hedoes./No,hedoesn’t.Whatdoyouhavetodo?Wehavetobequietinthelibrary.必须可以不得不上课按时穿校服•探究语法(二)情态动词haveto和must的区别p1111.haveto表示“__________
_”,第三人称单数是______,否定式是____________“不必”(强调______原因)一般疑问句通常将情态动词放句首,但haveto/hasto要借助动词_________来提问。2.must表示“______”否定式是mustn’t“______”(强调_____原因)必
须,不得不hastodon’thaveto客观do/does必须禁止主观I、精挑细选()1.Ihaveto_______theroomeverymorning.A.cleanB.cleansC.cleaning
()2.—Doesshehavetogotobedat9:00?—Yes,she____.A.hasB.haveC.does()3..Shelostherbike.She___walktoschool.A.havetoB.hastoC.hasD.m
ust()4.We____toweartheschooluniformeveryday.A.nothaveB.havenotC.don’thave()5.—Canyourbrotherswim?—.A.Yes,hecan’tB.Yes,shedoesC.No
,hecan’tACBCC一般疑问句通常将情态动词放句首,但haveto/hasto要借助动词_________来提问do/does3bUsethewordstomakequestionsabouttherules.Thenwritean
swersaccordingtoyourschool.Bequiet?Q:___________________________________(she/haveto/inthelibrary)?A:__________________________
_________Eat?Q:___________________________________(he/haveto/inthedininghall)?A:______________________________
_____Doesshehavetobequietinthelibrary?Yes,shedoes.Doeshehavetoeatinthedininghall?Yes,hedoes.Listentomusic?Q:________________________
___________(we/can/inthehallways)?A:___________________________________Wearahat?Q:_______________________
____________(we/can/intheclassroom)?A:___________________________________Canwewearahatintheclassroom?No,wecan’t.Canwelistentomusicinthehallwa
ys?No,wecan’t.3cMakeupfivecoolrulesforyourdreamschool.Shareyourruleswiththeclass.YourclassmatesvotefortheCoolestSchool!•1.W
ecaneatinclass.•2.Wedon’thavetocometoschooleveryday.•3.…•Atmydreamschool,•Wecaneatintheclassroom.•wedon’thavetocometoscho
oleveryday.•Wecanlistentomusicinclass.•Wedon’thavetodohomework.•Wedon’thavetoweartheschooluniformatschool.Dearstudents,Inordertohaveagoodenvironment(
环境),weshouldhavesomerulesinourschool.Herearesomesuggestions;wehopethatallofuscanhavealookatthem.1.Don’tsleepinclass.2.Cleantheclassroomeveryd
ay.3.__________________________4.__________________________5.__________________________6.__________________________Yours____假如你是学校的校长,你想制订
哪些校规,将其记录并尝试告诉校长你的想法。