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学习重点预习检测思考探究Period2预习案(课本P21-P22)Period2训练案(课本P21-P22)成效追踪能力阶梯Unit4Don’teatinclass.学习重点单词:out,practice,dish,before短语:goout,dothedishes句型:1.---Canweeatintheclassroo?---No,wecan’t,butwecaneatinthedininghall.2.---Doeshehavetowearauniformatschool?---Yes,hedoes./No,hedoesn’t.3.---Whatdoyouhavetodo?–-Wehavetobequietinthelibrary.预习检测一、请根据中文意思写出下列单词。（这些都是黑体单词，要好好记住哦。）1.________adv.外出2._________v./n.练习3.________n.碟；盘4.________prep.&conj.在……之前carliferidestop预习检测二、请认真阅读课本，找出以下短语。5.外出6.清洗餐具7.晚餐前8.在上学的日子里9.在上学期间的晚上10.做早餐11.打扫房间12.练习钢琴gooutdothedishesonschooldaysbeforedinneronschoolnightsmakebreakfastcleanthe/one’sroompractice(playing)thepiano预习检测三、熟读GrammarFocus，完成下列句子。13.他必须在学校穿校服吗？(haveto)______________________________________________________________________________14.不要在走廊奔跑。(don’t)_______________________________________15.我们能在教室吃东西吗？(can)_______________________________________Doeshehavetoweartheschooluniformatschool?Don’truninthehallways.Canweeatintheclassroom?思考探究★must和haveto的区别：1.must表示主观上的必须，而haveto侧重客观上的必要性。如：Youmustgotoschoolnow.你必须现在就上学。Ihavetostayathomeandlookaftermygrandmother.我必须呆在家照顾我奶奶。2.must的否定形式mustn’t表示禁止，不许；haveto的否定形式don’t/doesn’thaveto表示不需要，不必要。3.must和haveto都是情态动词，都接动词原形，must无人称和数的变化，而haveto有时态和人称的变化。4.用must和用haveto构成的一般疑问句，肯定回答和否定回答方式不一样。试比较：---MustIfinishmyhomeworkfirst?---Yes,youmust./No,youneedn’t./No,youdon’thaveto.---Doesshehavetogohomenow?---Yes,shedoes./No,shedoesn’t.练习：1)Bobcannotgotothecinemabecausehe____helpDadinthegarden.A.canB.cannotC.hastoD.mustC2)---Idothedishesfirst?---No,you.Youcandoyourhomeworkfirst.A.Must;mustn’tB.Can;mustn’tC.Must;needn’tD.Must;must★help的意思及用法：1.helpsb.(to)dosth.帮助某人做某事；2.help(sb.)withsth.在某方面帮助某人。3)在周末，我帮助妈妈打扫房间。Onweekends,Itheroom.4)我姐姐经常帮助我学英语。Mysisteroften__________________English.helpmymothercleanChelpsmewithPeriod2训练案(课本P21-P22)成效追踪practice的意思及用法：practice作及物动词，意为“训练，练习”，后接名词、代词和作宾语，如practiceplayingtheguitar；它还可作不可数名词，意为“练习，实践”。练习：1.我们经常练习画画。Weoften_____________________________.2.她每天练习弹钢琴。Sheeveryday.3.讲英语需要多加练习。SpeakingEnglishneedsalotof_________.4.熟能生巧。makesperfect.动名词practicedrawingpracticesplayingthepianopractisePractise一、单项选择()1.Don’t_______TVforalongtime.A.watchB.watchesC.watchingD.towatch()2.Ginaoftenhelpshermother________thedishes.A.doB.doesC.doingD.todoes能力阶梯AA()3.—_________youhavetogotoschooltoday?—No,wedon’t.A.AreB.CanC.DoD.Does()4.Studentshaveto_______theclassroomeveryday.A.cleanB.cleansC.cleaningD.toclean()5.Iusuallypractice___________violininthemorning.A.playingtheB.playtheC.toplaytheD.playing能力阶梯CAA二、根据所给中文写出适当单词。6.Tommustcomeback_______________(在…以前)10:00.7.Youcanlistentomusic_______________(在外面).8.Therearemany_____________(规则)inourschool.9.It’s_____________(重要的)forpeopletoeatbreakfasteveryday.10.Youneedtosay__________(抱歉的)toyourfriend.beforeoutsideimportant能力阶梯rulessorry三、用所给词的适当形式填空。11.Youmustdothe______________(dish)beforeyougoout.12.Heoftenhelpsme______________(clean)theclassroom.13.Whatarethe_____________(rule)?14.Wehaveto________________(be)quietinthelibrary.15.Wecan’t_______________(eat)inthehallways.dishesclean/tocleanberuleseat四、完成句子。16.她每天练习游泳两个小时。She___________________fortwohourseveryday.17.放学后我必须要照顾我的妹妹。I__________lookaftermysisterafterschool.18.在晚上不要出去。___________________________atnight.19.晚饭后你必须洗碗。Youmust____________________aftersupper.20.Mike每天都帮助他妈妈做晚餐。Mike_____________________________dinnereveryday.practicesswimminghavetoDon’tgooutdothedisheshelpshismother(to)make