【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,nobeautifulschool。D

on’truninthehallways.Don’teatintheclassrooms.Don’ttalkinclass.Don’tfightschoollibrary.3a.Writetherulesfortheschoollibrary.Libr

aryRules1.2.3.4.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’t

lethimgo.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.W

hataretherules?Wemustbeontimeforclass.Canweeatintheclassroom?No,wecan’t,butwecaneatinthedininghall.Canwewearahatinclass?Yes,wecan./No,wecan’t

.Doeshehavetowearauniformatschool?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p1

111.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mus

tn’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.—Doess

hehavetogotobedat9:00?—Yes,she____.A.hasB.haveC.does（）3..Shelostherbike.She___walktoschool.A.havetoB.hastoC.hasD.must（）4.We____toweartheschooluniform

everyday.A.nothaveB.havenotC.don’thave()5.—Canyourbrotherswim?—.A.Yes,hecan’tB.Yes,shedoesC.No,hecan’tACB

CC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.Thenwriteanswersaccordingtoyourschool.Be

quiet?Q:___________________________________(she/haveto/inthelibrary)?A:___________________________________Eat?Q:____________________

_______________(he/haveto/inthedininghall)?A:___________________________________Doesshehavetobequietinthelibrary?Yes,shedoes.Doeshehave

toeatinthedininghall?Yes,hedoes.Listentomusic?Q:___________________________________(we/can/inthehallways)?A:________________________________

___Wearahat?Q:___________________________________(we/can/intheclassroom)?A:___________________________________Canweweara

hatintheclassroom?No,wecan’t.Canwelistentomusicinthehallways?No,wecan’t.3cMakeupfivecoolrulesforyourdreamschool.Sharey

ourruleswiththeclass.YourclassmatesvotefortheCoolestSchool!•1.Wecaneatinclass.•2.Wedon’thavetocometoschooleveryday.•3.…•Atmydre

amschool,•Wecaneatintheclassroom.•wedon’thavetocometoschooleveryday.•Wecanlistentomusicinclass.•Wedon’thavetodohomework.•We

don’thavetoweartheschooluniformatschool.Dearstudents,Inordertohaveagoodenvironment(环境),weshouldhavesomerulesinourschool.Hereare

somesuggestions;wehopethatallofuscanhavealookatthem.1.Don’tsleepinclass.2.Cleantheclassroomeveryday.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。