Unit+4第2课时+Section+A+2d-3c【知识点睛+备课精研】 七年级英语下册 （人教版）

SectionA2d-3cUnit4Don’teatinclass.Unit4Don’teatinclass.思维品质语言能力学习能力文化意识Sscanunderstandtherulesandexpressthemintheirownway.Sscantalkaboutclassrulesusing“can”and“can’t”Sscandistinguishtherightandwrongbehaviorsinclassroom.Sscanknowwhattheycanandcan’tdoinclassroomsothattheycanfollowtheschoolrulesObjectivesLead-inPresentationLanguagepointsDebatePresentationSummaryExerciseHomeworkContentEveryschoolorclasshasitsownrules.Everyschoolorclasshasitsownrules.Johnisatanewschool.Let’sseewhatruleshisnew

schoolhas.Readtheconversationin2dquicklyandanswerthequestionsbelow.John:Hi,myname'sJohn.It'smyfirstdayatschool.Alice:Hi,John.I'mAlice.Thisisagreatschool,buttherearealotofrules.John:Really?Whataresomeoftherules?Alice:Well,don'tbelateforclass.Thisisveryimportant.John:OK,sowemustbeontime.Canwebringmusicplayerstoschool?Alice:No,wecan't.Andwealwayshavetoweartheschooluniform.John:Isee.Alice:Oh,andwealsohavetobequietinthelibrary.Schoolrules.1.WhatareJohnandAlicetalkingabout?42.HowmanyrulesdoesAlicemention?DosDon’tsDon’tbelateforschool.Don’tbringmusicplayerstoschool.Weartheschooluniform.Bequietinthelibrary.Fillinthechart.John:Hi,myname'sJohn.It'smyfirstdayatschool.Alice:Hi,John.I'mAlice.Thisisagreatschool,buttherearealotofrules.John:Really?Whataresomeoftherules?Alice:Well,don’tbelateforclass.Thisisveryimportant.John:OK,sowemustbeontime.Canwebringmusicplayerstoschool?Alice:No,wcan't.Andwealwayshavetoweartheschooluniform.John:Isee.Alice:Oh,andwealsohavetobequietinthelibrary.Whatrulesdoestheschoolhave?1.Thestudents_____beontime.2._____thestudentsbringmusicplayerstoschool?No,they_____.3.Thestudentsalways_________weartheschooluniform.4.Thestudentsalso__________bequietinthelibrary.mustCancan’thave

tohave

toCompletethesentencesaccordingto2d.John:Hi,myname’sJohn.It’smyfirstdayatschool.Alice:Hi,John.I’mAlice.Thisisagreatschool,___________

___________John:Really?Whataresomeoftherules?Alice:Well,_________________Thisisveryimportant.John:OK,___________________Canwebringmusicplayerstoschool?Alice:____________Andwealwayshavetoweartheschooluniform.John:Isee.Alice:Oh,_______________________________________buttherearealotofrules.don’tbelateforclass.sowemustbeontime.No,wecan’t.andwealsohavetobequietinthelibrary.Completethedialogue.John:Hi,myname’sJohn.It’smyfirstdayatschool.Alice:Hi,John.I’mAlice.Thisisagreatschool,buttherearealotofrules.John:Really?Whataresomeoftherules?Alice:Well,don’tbelateforclass.Thisisveryimportant.John:OK,sowemustbeontime.Canwebringmusicplayerstoschool?Alice:No,wecan’t.Andwealwayshavetoweartheschooluniform.John:Isee.Alice:Oh,andwealsohavetobequietinthelibrary.2dRole-playtheconversation.role-playtheconversationJohn:Hi,myname'sJohn.It'smyfirstdayatschool.Alice:Hi,John.I'mAlice.Thisisagreatschool,buttherearealotofrules.John:Really?Whataresomeoftherules?Alice:Well,don’tbelateforclass.Thisisveryimportant.John:OK,sowemustbeontime.Canwebringmusicplayerstoschool?Alice:No,wcan't.Andwealwayshavetoweartheschooluniform.John:Isee.Alice:Oh,andwealsohavetobequietinthelibrary.languagepointsmust：情态动词“必须”，后加动词原形。Wemustwearschooluniforms.haveto实义动词，“不得不”，后加动词原形，有人称和时态的变化。Hehastodohomework.Hedoesn'thavetodohousework.Let'shaveadebate!Let'shaveadebate!Doweneedtofollowtherules?Yes,wedo.No,wedon't.Weareoldenoughtomakeourownchoice.Wewanttodosomethingwelike,it'sourright.Rulescanmakeourenvironmentbetter.Withoutrules,ourschoolorfamilywillbeinamess.Ourschoolmakesrulestokeepussafe.Wemustfollowthem.Rule1:Rule2:Rule3:Rule4:Rule5:Rule6:

Howmanyschoolrulesdidwelearn？Bequiet!Wehaveto...wear_____schooluniform.aRule7:Wearaschooluniformeveryday.Rule8:Pleasebequietintheclassroom.Whatotherrules?Don’truninthehallways.Don'tfight.Whataretherules?Wemustbeontimeforclass.Canweeatintheclassroom?No,wecan't,butwecaneatinthedininghall.Canwewearahatinclass?Yes,wecan./No,wecan't.Doeshehavetowearauniformatschool?Yes,hedoes./No,hedoesn't.Whatdoyouhavetodo?Wehavetobequietintheschoollibrary.GrammarFocus1.Ihavetodomyhomework.否定句：一般疑问句：回答：划线提问：Idon'thavetodomyhomework.Doyouhavetodoyourhomework?Yes,Ido./NoIdon't.Whatdoyouhavetodo?

haveto不得不=must必须2.Hehastoeatbreakfastquickly.

否定句:一般疑问句：回答：划线提问：Hedoesn'thavetoeatbreakfastquickly.Doeshehavetoeatbreakfastquickly?Yes,hedoes./Nohedoesn't.Whatdoeshehavetodo?

haveto不得不=must必须1)We________cleanourclassroom.2)She_________makeherbed.3)It'slate.Mr.Smith______gotoworkbycar.4)EmilyandPeterjoinamusicclub.They_______practicetheguitareveryday.havetohavetohastohastohavetohasto（三单）必须，不得不

—Dowehavetobequaietinclass?—Yes,wedo./No,wedon't（haveto）.—Mustwebequietinclass?—Yes,wemust./No,weneedn't.=No,wedon'thaveto.1)Wehavetobequietinclass.2)Wemustbequietinclass.

don't/doesn'thaveto=needn't不必、没有必要注意：mustn't是“禁止”的意思。Canweplayfire？No,youmustn't.It’sdangerous.LibraryRulesDon'ttalk.______________________________________________________Writetherulesfortheschoollibrary.Don'tlistentomusic.Don'teatordrink.Don'ttakephotos.3aUsethewordstomakequestionsabouttherules.Thenwriteanswersaccordingtoyourschool.1.Bequiet(she/haveto/inthelibrary)?Q:Doesshehavetobequietinthelibrary?A:Yes,shedoes.2.Eat?(he/haveto/inthedininghall)Q:_____________________________________?A:_____________3bYes,hedoes.Doeshehavetoeatinthedininghall3.Listentomusic?

(we/can/inthehallways)Q:_____________________________________?A:_____________4.Wearahat?(we/can/intheclassroom)

Q:_____________________________________?A:____________CanwelistentomusicinthehallwaysNo,wecan’t.CanwewearahatintheclassroomNo,wecan’t.Atmydreamschool,wedon'thavetocometoschooleveryday…Wecaneatintheclassroom…Makeupfivecoolrulesforyourdreamschool.Shareyourruleswiththeclass.YourclassmatesvotefortheCoolestSchool!Wedon'thavetowearschooluniforms…Wecanlistentomusicintheclassroom…3cInmydreamschool,wedon'thavetocometoschooleveryday.Wecanstudyathomeandasktheteacherforhelpwhenwehavequestions.Wecaneatintheclassroombutwemustkeeptheclassroomclean.Wecanlistentomusicintheclassroombutwemustlistentoitafterclass.Wecanbringourcellphonetoschoolbutwecan'tbringittotheclassroom.Wedon'thavetowearschooluniformseveryday,wecanwearourown(自己的)comfortableclothes.Ithinkmydreamwillcometrue!Report—Yes,hedoes./No,hedoesn’t.—Doeshehavetowearauniformatschool?SummaryNewwordsrule,arrive,hallway,hall,dining,listen,fight,sorry,outside,wear,important,bring,uniform,quietGrammar能正确使用否定祈使句陈述规章要求能使用情态动词can表示许可能正确使用haveto和must谈论规章制度Expressions(be)ontime,listento,havetoSentencesDon’tfight./Don’tarrivelateforclass.Wemustbeontimeforclass.—Canwewearahatinschool?—Yes,wecan./No,wecan’t.1.Don’tarrivelateforclass.

上课不要迟到。(教材P19

1a)【用法详解】arrive是不及物动词，具体用法如下：若接地点名词，要加介词in或at。in后接大地方(如城市或国家)。WhendidyouarriveinDalian?你是什么时候到大连的？at后接小地方(如学校、酒店或车站)。Iusuallyarriveatthebusstopat6:30everymorning.我通常每天早晨6:30到公共汽车站。若接地点副词(here/there/home等)，则不用介词。Myfatherarriveshomelateeverynight.我爸爸每天晚上很晚到家。Point1Languagepoints

祈使句的否定形式1.Don’tarrivelateforclass.上课不要迟到。(教材P19

1a)【用法详解】本句是祈使句的否定形式，结构为“Don’t+动词原形+其他“。祈使句通常省略主语you，以动词原形开头，用于向对方发出指令、请求等。Point2Readmorebooks,andyouwillimproveyourreadingskills.Don’tanswerthephonewhilecrossingtheroad.Eg

mustmodalv.必须2.Youmustbeontime.你必须准时。(教材P191a)【用法详解】must为情态动词，无人称和数的变化。情态动词不能单独作谓语，必须与动词原形一起构成谓语。本句的谓语由“must+be”构成。Point2Youmustobeytheschoolrules.Eg

ontime准时2.Youmustbeontime.你必须准时。(教材P19

1a)【易混辨析】ontime与intimeontime按时；准时指按规定或指定的时间intime及时指不迟到或接近规定的时间Theplanetakesoffontime.Anambulancearrivedintime.Point2Eg3.Don’tfight.不要打架。(教材P19

1a)【用法详解】（1）fight在句中作动词，意为“打架”，常用短语：fightwithsb.“和某人打架”。

fightv.&n.打架；战斗PointDon’tfightwiththedriverinthebus,oryou’llbepunishedEg（3）fight也可作名词，意为“打架；战斗”，短语haveafight(withsb.)表示“（和某人）打架”。It’snotrighttohaveafightwithyourfriend.Eg（2）fight作动词，还有“战斗”的意思。Theyfoughtagainsttheenemyfiercely.Eg4.Thisisveryimportant.这是非常重要的。(教材P20

2d)【用法详解】important为形容词，可作表语或定语。常用句型:Itisimportant(forsb.)todosth.“（对某人来说）做某事是重要的”。Doingexerciseisimportant.Itisanimportantmeeting.

Forkids,it’sveryimportanttostayhealthy.

importantadj.重要的PointEg5.Canwebringmusicplayerstoschool?我们可以把音乐播放器带到学校吗？(教材P20

2d)

【用法详解】bring为及物动词，反义词为take(带走)。常用结构有：bringv.带来；取来Point1bringbringsb./sth.to+地点名词把某人/某物带到某地(后跟地点副词时省略to)bringsb.sth.=bringsth.forsb.给某人带来某物BringyourIDcardtoschool.Hebringsmeabigcake.=Hebringsabigcakeforme.Eg【易混辨析】bring,take,carry与getbring带来；取来从别处带到说话人这边，多与here连用。take带走；拿走从说话人这边带到别处，多与there连用。carry搬运无方向性，多指搬重物。get去拿来从这边去别处，拿东西再回到这边。Bringyourraincoathere.把你的雨衣拿到这里。You’dbettertakehertohospital.你最好带她去医院。Canyouhelpmecarrythebox?你能帮我搬这个箱子吗？Pleasegetmemyglasses.请把我的眼镜拿来。Eg

Canwe...?我们能……吗？Point2【用法详解】该句式用于询问是否许可或征求对方同意。6.Canwebringmusicplayerstoschool?我们可以把音乐播放器带到学校吗？(教材P20

2d)—Canweeatintheclassroom?—No,wecan’t.

Eg【用法详解】wear作动词，强调状态。其宾语除衣服、鞋、帽子、手套外，还可以是首饰、眼镜、耳机、胡子、假发、奖章等。7.Andwealwayshavetoweartheschooluniform.并且我们得一直穿着校服。(教材P202d)

wearv.穿；戴PointYoushouldwearahatfortheparty.Don’twearearphoneswhileyouareout.Shealwayswearsapairofglasses.Eg【拓展延伸】puton也可表示“穿；戴”，但它强调动作，指把衣服鞋、袜、帽子、手套等穿上或戴上。It’ssnowingoutside.You’dbetterputonyourscarf.

EgMr.Joneshasmany________