Unit4Don’teatinclass.SectionA(3a-3c)Hi,IamEmily.gymclassPEclassrun/playbasketball…--Whatcanwedoingymclasses?--WecanSchoolRulesDon’t…runinthehallwaysfightarrivelateforschooltalkintheclassroomeatintheclassroomlistentomusicintheclassroom8:10RevisionDoyouhavetowearsportsshoesingymclasses?Yes,wedo.Wehavetowearsportsshoesingymclass.CanIhaveagymclasslikethegirl?--Whatdoyouhavetowearforgymclass?--IhavetoforgymclassgymclasswearsportsshoesschooluniformsDon'tfightWhatrulesmustbeontimeCaneatNowecan'tcanCanwearahatYeswecanNowecan'thavetoYeshedoesNohedoesn'thavetohavetobequiet祈使句表示請(qǐng)求、命令、勸說、號(hào)召、警告等。表示委婉的祈使語氣，可在句首或句末加上please，若在句末加please，之前要用逗號(hào)隔開。祈使句有肯定祈使句與否定祈使句兩種。祈使句的常見句型結(jié)構(gòu)Grammar1.肯定祈使句的常見句型結(jié)構(gòu)：①Do型：動(dòng)詞原形+賓語+其他.如：Openthedoor,please.②Be型：Be+表語.如：Beagoodboy!③Let型：Let+賓語+動(dòng)詞原形+其他.(或：Let’s+動(dòng)詞原形+其他.)如：Letmehelpyou.又如：Let’splaytennis.2.否定祈使句的常見句型結(jié)構(gòu)：①Do型和Be型的否定式：Don’t+動(dòng)詞原形/be+其他.

如：Don’tforgetme.又如：Don’tbelate.②Let型的否定式：Don’t+let+賓語+動(dòng)詞原形+其他.(或：Let’s+not+動(dòng)詞原形+其他.)

如：Don’tlethimgoback.又如：Let’snotgoswimming.③警示語：No+名詞/動(dòng)詞-ing形式.如：Notalking.Canwearrivelateforclass?

Don’tarrivelateforclass.

Don’tbelateforclass.No,wecan’t.Don’teatintheclass.Canweeatintheclass?No,wecan’t.Youcaneatinthedinningroom.Yes,wedo.Doyouhavetodohomeworkafterclass?Wehavetodohomeworkafterclass.Doyouhavetodosomereadingeveryday?Yes,wedo.Wehavetodosomereadingeveryday.LibraryRulesDon’ttalk.______________________________________________________3a

Writetherulesfortheschoollibrary.Don’tlistentomusic.Don’teatordrink.Don’ttakephotos.方法指導(dǎo)：1.由圖示可知都是一些禁止類的祈使句。2.可知應(yīng)用“Don’t+動(dòng)詞原形”句子。Bequiet?(she/haveto/inthelibrary)Q:Doesshehavetobequietinthelibrary?A:Yes,shedoes.

3b

Usethewordstomakequestionsabouttherules.Thenwriteanswersaccordingtoyourschool.Writingfirstday,agreatschool,alotofrules,someoftherules,belateforschool,beontime,bringmusicplayerstoschool,weartheschooluniform,bequietinthelibraryLet’stalk!Hello,everyone!Johnismybestfriend.Thisis....Hecan’t....Hehasto....Helikeshisnewschoolverymuch.DiscussionWhatdon’tyouhavetodoatschool?Whatdoyouhavetodoatschool?Whatcan/can’tyoudoatschool?Inmyschool,therearealotofrules.Wecan’t...,butwecan....Wehaveto....Wedon’thaveto….Ilikemyschoollife.Let’sfollowtheschoolrules!1.選擇方框中的句子完成對(duì)話。Sally:Hi,mynameisSally.(1).___________Lucy:Hi,Sally.I’mLucy.Thisisagreatschool,buttherearealotofrules.Sally:Really?(2)._______Lucy:Well,wemustbeontimeforclass.Thisisveryimportant.Sally:(3).________Canwelistentomusicintheclassroom?Lucy:No,wecan’t.(4)._________Sally:OK.Isthatourlibrary,Lucy?Lucy:Yes,itis.Therearemanybooksinit.(5).______________A.Isee.B.It’smyfirstdayatschool.C.Whataresomeoftherules?D.Wehavetobequietthere.E.Butwecanlistentomusicinthemusicroom.BCAEDTherearealotof/lotsof/manyrulesinthisschool.Canwebringmusicplayerstoschool?Wehavetoweartheschooluniformeveryday.Doesshehavetobe/keepquietinthelibrary?Don’ttakephotos./Nophotos.1.根據(jù)例句，可知要求我們?cè)煲话阋蓡柧洳⒏鶕?jù)實(shí)際情況進(jìn)行回答。2.先確定句子的主語。3.再確定用情態(tài)動(dòng)詞還是用助動(dòng)詞來構(gòu)成疑問語序。4.根據(jù)實(shí)際情況做出肯定或否定回答，答語的主語要與問句保持一致。方法指導(dǎo)2.Eat?(he/haveto/inthedininghall)Q:________________________________?A:_____________3.Listentomusic?(we/can/inthehallways)Q:________________________________?A:_____________4.Wearahat?(we/can/intheclassroom)Q:_____________________________?A:____________Thenanswerthequestions.Yes,hedoes.DoeshehavetoeatinthedininghallCanwelistentomusicinthehallwaysNo,wecan’t.CanwewearahatintheclassroomNo,wecan’t.1)arrive后面可以不跟到達(dá)的地點(diǎn)。Don’tarrivelateforschool.不要上學(xué)遲到。2)arrive后面也可以跟到達(dá)的地點(diǎn)。但后面必須要跟介詞in（大地方）或at（小地方）。TheyarrivedinBeijingatsix.

他們六點(diǎn)鐘到的北京。Weusuallyarriveatthevillageinthemorning.

我們通常在早上到那個(gè)小村莊。1.arrive到達(dá)=get(to)Languagepoints1)listen聽；用來提醒某人注意，后面不跟事物。Listen!Who’ssingingintheclassroom?聽！誰在教室里唱歌？2)如果后面跟要聽的事物，應(yīng)跟介詞to再跟事物。

Listentoourteachercarefully.認(rèn)真聽老師講。3.fight打架，爭吵1)作動(dòng)詞用:Jackneverfightswithhisbrother.

杰克從不和他的弟弟打架。2)作名詞，意為“打架；爭吵”;常用詞組haveafight“打架；吵架”Didyouhaveafightwithher?

你和她吵過架嗎？2.listen的用法；4.haveto與must1)haveto意為“必須做某事”強(qiáng)調(diào)“客觀需要”

Theyhavetowearschooluniformseveryday.

他們每天必須穿校服。

2)must意為“必須”強(qiáng)調(diào)主觀上的愿望

It’slate.Imustgohomenow.

天晚了?，F(xiàn)在我必須要回家。

練一練：用haveto,must填空1.It’scoldoutside.We______stayathome.2.We____begoodwithourparents.havetomust用所給單詞的適當(dāng)形式填空。1.Don’t________(listen)tomusicinthelibrary.2.Dowehaveto________(clean)theroomeveryday?3.Youca