人教版英語七年級下冊Unit 4 Don't eat in class Grammar課件

UNIT4Don’teatinclassSectionA(GrammarFocus-2C)1.能運用祈使句:beontime,Don’truninthehallway,Don’tfight,bequiet....2.能運用情態(tài)動詞must,haveto。--Doeshehavetowearauniformatschool?--Yes,hedoes./No,hedoesn’t.Wemustbeontime.Wehavetobequietinthelibrary.Learninggoals（學(xué)習(xí)目標(biāo)）Let’splayagameMinesweepinginclassinthedininghallinthehallwaysweartheschooluniformmustwearahatalotofschoolruleshavetofightwithsb.listentomusicbeontime在走廊上聽音樂在餐廳在課堂上和某人打架準(zhǔn)時戴帽子必須不得不許多校規(guī)穿校服eatCanwe_____________________?eatintheclassroomNo,wecan’t.Butwe

can

eatinthedininghall.Don’teatintheclassroom.Eatinthedininghall.dininghallLet’ssaywearahatCanwe___________________?wearahatinclassNo,wecan’t.We

can’t

wearahatinclass.

Don’twearahatinclass.Let’ssayschooluniformDoeshehaveto_______________________atschool?weartheschooluniformYes,hedoes.Hehasto/mustweartheschooluniformatschool.Hehasto/mustweartheschooluniformatschool.Let’ssayschooluniformDoeshehaveto_______________________atschool?weartheschooluniformNo,hedoesn’t.

He

doesn’thaveto

weartheschooluniformatschool.Hedoesn’thavetoweartheschooluniformatschool.Let’ssay3.Don’teatintheclassroom.Youmusteatinthedininghall.5.Don’tfight.4.Don’tlistentomusicinclass.1.Don’tarrivelateforclass.Youmustbeontime.2.Don’truninthehallways.Let’ssayWhataretheschoolrules?Rule1:Don’tfight.Rule2:Don’teatintheclassroom.Rule3:Don’tlistentomusicinclass.Rule4:Don’tarrive/belateforclass.Rule5:Don’truninthehallways.Rule6:Don’twearahatinclass.Let’sreadandlearn1.什么是祈使句？

表達(dá)命令,請求,勸告,警告,禁止等的句子。2.祈使句的特點:①省略______;②開頭多為動詞________。主語原形探究一:祈使句1.Sitdown,please！請求2.Putupyourhand.命令3.PleasecallMrs.Millerat555-3721.請求祈使句形式1.Don’tbelate.2.Don’truninthehallways.1.Bequiet,please！請求2.Beontimeatschool.1.Nophotos.=Don’ttakephotos禁止2.Notalking.禁止3.Nofood.禁止1.Let’sjointheartclub.2.Let’sgo.3.Let’spalybasketball.建議Do型Don’t型Be型No型Let’s型Let’slearn歸納:觀察例句1-5，祈使句的肯定句do型:________:_________________1.Sitdown,please！2.Putupyourhand.3.PleasecallMrs.Millerat555-3721.4.PleasetalktoMr.Zhangafterschool.5.Eatinthedininghall.在餐廳吃Do型實義動詞原形

+其他祈使句:Do型Let’slearn1.Don’tfight.2.Don’teatintheclassroom.3.Don’tlistentomusicinclass.4.Don’ttakephotos.5.Don’truninthehallways.不要在走廊上跑6.Don’tarrive/belateforclass.上課不要遲到歸納:觀察例句1-6，祈使句的否定句Don’t形式:__________:________________________________.Don’t

+

動詞原形/be

+其他Don’t

型Let’slearn祈使句:Don’t型歸納:觀察例句1-4，祈使句的肯定句Let型:________:___________________________________1.Let’sjointheartclub.2.Let’srunafterschool.3.Let’spalybasketball.一起打籃球4.Let’sgo.一起去吧Let型Let+

賓語

+

動詞原形

+

其他Let’slearn祈使句:Let’s型歸納:觀察例句1-5，祈使句的否定句式No型:_________:_______________________________1.Nophotos.禁止拍照2.Notalking.禁止講話3.Noswimming.禁止游泳4.Nofood.禁止吃東西5.Nomusic.禁止聽音樂No+名詞/動詞-ing形式No型

Let’slearn祈使句:No型LibraryRules1.Don'ttalk.2.____________________3._____________________4.________________/NophotosWritetherulesfortheschoollibrary.3aDon'teatinthelibrary.Don'tlistentomusic.Don'ttakephotos.__________________________練習(xí)冊P39-40(1)--_______silent,please!Youareinthelibrary.--I’msorry,madam.A.KeepB.TokeepC.KeepingD.Kept(2)--Mike,_______playfootballinthestreetnexttime.It’sdangerous.---OK,Iwon’tdothatagain,mom.A.mustn’tB.mustC.don’tD.do(3)Lookatthesign!(標(biāo)志)“No____________.”Youcan’tswimhere.(4)上課不要遲到。Don’t_______lateforclass.swimmingbeExercise1.Wemustbeontimeforclass.2.Wemusteatinthedininghall.3.Wemustn’tbreaktherules.4.Hehastowearauniformatschool.5.Hedoesn’thavetowearauniformatschool.6.Wehavetobequietinthelibrary.探究二:情態(tài)動詞must&haveto必須不準(zhǔn),禁止不得不不需要must必須(無人稱,時態(tài)的變化)mustn’t不準(zhǔn),禁止have/hasto不得不(有人稱,時態(tài)的變化)don’t/doesn’thaveto不需要,沒必要--Canwewearahatinclass?--Yes,wecan./No,wecan’t.情態(tài)動詞can一般疑問句及其回答1.--Doeshehavetowearauniformatschool?--Yes,he________./No,he________.2.--MustIgotherenow?--Yes,youmust./No,you_________./No,you_____________.情態(tài)動詞must&haveto一般疑問句及其回答沒必要注意否定回答needn’tdon’thavetodoesdoesn’t(1)Students_________playwithfireintheclassroom.It’squitedangerous(相當(dāng)危險).A。.mustn’tB.mustC.couldn’tD.could(2)---Mustweweartheschoolclothestomorrow,Mr.Wang?---No,you_____.OnlyonMondays.TomorrowisTuesday.A.mustn’tB.needn’tC.can’tD.shouldn’t(3)---CanIswiminthelake,Mom?It’ssohot.---No,you______.Thesighsays“Noswimming”A.mustn’tB.needn’tC.wouldn’tD.shouldn’tExercise練習(xí)冊P40

用must或haveto

的適當(dāng)形式填空1.Thereisnobus,soyou________walkhome.2.I_________studyEnglishwell.3.Nick_______________

gotoschoolonweekends.(不必)4.You________gothroughtheroadwhenthelightisred.musthavetodoesn’thavetomustn’tExercise3bUsethewordstomakequestionsabouttherules.Thenwriteanswersaccordingtoyourschool.Eat?Q:_____________________________________(he/haveto/inthedininghall)?A:__________________Doeshehavetoeatinthedininghall?Yes,hedoes.Listentomusic?Q:________________________________________(we/can/inthehallways)?A:__________________Canwelistentomusicinthehallways?No,wecan’t.Wearahat?Q:_______________