Unit-12-Dont-eat-in-class精讲与练习.

Unit12Don'teatinclass精讲与练习.一．短语．1.inclass在课上2.onschoolnights在上学的晚上3.schoolrules校规4.notalking禁止交谈5.listentomusic听音乐6.haveto不得不7.takemydogforawalk带狗去散步8.eatoutside在外面吃饭9.inthehallway在走廊上10.wearauniform穿制服11.arrivelateforclass上学迟到12.afterschool放学后13.practicetheguitar练习弹吉它14.inthecafeteria在自助食堂里15.meetmyfriends和我朋友见面16.byteno'clock.十点之前17.beinbed在床上18.theChildren'sPalace少年宫19.helpmymommakedinner帮助我妈做饭二．重点句型1.Don’tarrivelateforschool＝Don’tbelateforschool2.Don’tfight.3.Don’tlistentomusicintheclassroom.4.Don’truninthehallways.5.Don’tsmoke.It’sbadforyourhealth.6.Don’tplaycardsinschool.7.Don’ttalkinclass8.Don’twatchTVonschoolnights.9.Don’tsleepinclass.10.Don’tplaysportsintheclassrooms.11.Don’tsingsongsatnight.12.Don’ttalkwhenyoueat.13.Don’twearhatsinclass.14.Dohomeworkby10:00.15.Cleanyourhouse!16.Makethebed.17.Canwe……?Yes,wecan.No,wecan’t.Eg:Canwearrivelateforclass?No,wecan’t.Wecan’tarrivelateforclass.18.Doyouhavetowashyourclothes?Yes,Ido./No,Idon’t.三．重难点解析：1.情态动词haveto的用法，意思是必须、不得不，它侧重于客观上的必要和外界的权威。（1）结构：主语＋haveto＋动词原形＋其他（一般现在时，主语是第三人称单数时，用hasto；句子是过去时，用hadto.）如：Wehavetowearsneakersforgymclass.在体育课上，我们必须穿运动鞋。Tomhastopracticetheguitareveryday.汤姆每天必须练习弹吉它。Ihadtogetupat5:00amlastMonday.上周一，我不得不早上5点起床。（2）否定形式：主语＋don'thaveto＋动词原形＋其他（一般现在时，主语是第三人称单数时，用doesn'thaveto.句子是过去时，用didn'thaveto）如：Nickdoesn'thavetowearauniform.尼克不必穿制服。Wedidn'thavetodoourhomeworkatonce.我们不必马上完成作业。（3）疑问句：Do（Does或Did）＋主语＋haveto＋动词原形＋其他如：Doyouhavetostayathomeonweekends?周末你必须呆在家里吗？Yes,Ido./No,Idon't.是的，我必须。不，我不必。Didhehavetogotobedby11:00lastnight?昨晚，他不得不11点前上床睡觉吗？2.情态动词can的用法（1）表示能力，会能（在第一册中已经学习这种用法）Canyouplaytheguitar?你会弹吉它吗？JudycanspeakalittleChinese.朱蒂会说一点中文。Icandanceandsing.我能唱歌又能跳舞。（2）表示允许、许可，可以、能（在这一课中新学的词义）Canthestudentsruninthehallways?学生们可以在走廊上跑吗？Wecaneatoutside.我们可以在外面吃东西。CanIcomein?我能进来吗？注意同样是情态动词，can和haveto的用法是有区别的，和大部分情态动词一样，can在否定句中，直接在can后加上not，在疑问句中，把can放到主语前面，并且没有人称和数的变化。3.hear，listen和sound都有听的意思，但三者是有区别的。（1）hear听说，侧重于听的内容I'msorrytohearthatyouareill.听说你生病了，我很难过。Ineverheardsuchaninterestingstory.我从来没听过这么有趣的一个故事。（2）listen听侧重于听这一动作。Listentomecarefully.认真听我说。Thechildrenliketolistentomusic.孩子们喜欢听音乐。（3）sound听起来，它是系动词，后面接形容词等。Thatsoundsgreat.那听起来真不错。Itsoundslikefun.听起来挺有趣。４.beinbed在床上、卧床in和bed之间不能用冠词，bed也不用复数。Heisinbedfor10years.他卧床10年了。Davehastobeinbedearlyeverynight.大卫每晚必须很早睡觉。５.arrivelatefor与belatefor意思相近，迟到Don'tarrive（be）lateforschool.上学别迟到。Iarrived（was）lateforthemeetingyesterday.我昨天开会迟到了。６.Notalking!禁止交谈！no后面加上名词或动名词（doing）也表示不要做某事。与don't+do的用法相似。Nowetumbrellas!/Don'tputwetumbrellashere!禁止放湿雨伞！Nofood!Don'teatfoodhere!禁止吃食物！Nosmoking!Don'tsmokehere!禁止吸烟！7．语法（祈使句）祈使句是用来表示请求、命令、叮嘱、号召或者劝告等的句子，这类句子的主语常是第二人称you，也就是听话者，因而you常省去了。祈使句的开头是动词原形。如：Lookout!小心！Waithereforme!在这等我！Besuretocomehereontime!务必准时来到这里！祈使句的否定形式多以donot（常缩写成don't）开头，再加上动词原形。Don'tarrivelateforschool.上学别迟到。Don'tfight!别打架！Don'tlookoutofthewindow.不要向窗外看。四、过关练习（一）单项选择()1.Whenyouleave,pleaseturnoff_________?A.allthelightsB.thealllightsC.thelightsallD.alllights()2.PeopleinEnglandusuallyuseMr.,Mrs.,Ms.,orMissbeforetheir_______.A.firstnamesB.familynamesC.middlenamesD.givennames()3.Timenjoys_______kites.A.flyB.toflyC.flyingD.flies()4.----Wouldyouliketogowithme?----_______.ButIhavealotofhomeworktodo.A.No,Idon’tB.Yes,IlikeC.Sorry,I’dlikeD.I’dloveto()5.Susanfound______noteasytoanswerallthesequestions.A.thatB.itC.themD.this()6.It’stoohot.Pleasekeepthewindows________.A.openedB.closedC.openD.isclosing()7.----Mygrandmaisill,soI’mnotgoingtothecinemawithyou.----_________A.itdoesn’tmatterB.Areyougoingtolookafterher?C.I’msorrytohearthat.D.Don’tworry.()8.Ilikewatchingtheanimals______inthezoo.A.playandjumpB.ateanddrankC.areeatinganddrinkingD.areplayingandjumping()9._______aregoingtoHimalaysMountainsforadventure.A.TurnerB.TheTurnerC.TheTurnersD.Turners()10.Therewasnothing____batsintheoldhouse.A.muchB.butC.orD.and（二）词型填空1Maryisonly4yearsold,butshecan______(read).2.______(notarrive)lateforschool.3.DoesTomhaveto______(finish)hishomeworkbyfive?4.Shepractices______(play)thepianoeveryday.5.Thepeopleherearevery______(friend).（三）翻译句子1放学后我不能打篮球，因为我得做作业。Ican’t____________afterschoolbecauseI____________domyhomework.2早上8点之前我必须到学校。I____________beatschool______8o’clock..3不要在上学期间的晚上外出。____________out__________________.4她患了感冒卧病在床。Sheis____________withacold.5你最喜欢哪种水果？______kindoffruitdoyoulike______?（四）句型转换1.Couldyoupleasenotclosethewindow?(改为祈使句)____________thewindow,please!2.Doyourhomeworkafterschool!(改为否定句)____________yourhomeworkafterschool!3.Ihavetodomyhomeworkafterschool.(改为一般疑问句)______you______todo______homeworkafterschool?（五）补全对话，每空一词。A:Canyougotothemovies1,Emily?B:No,Ican’t.Ican’t2outonschoolnights.A:Oh,that’stoobad.Icangoout,butIhaveto3homebyteno’clock.B:You’relucky.I4somanyrulers…A.:Likewhat?B:Ican’t5outwithmyfriendsafterschool.A:Really?B:Yeah,Ihaveto6myhomeworkafterschool.A:Oh,Ido,too.AndIhaveto7myguitareveryday.B:Well,Ihaveto8_myroomeveryweekend.A:Ugh.B:AndIcan’t9TVafterschool.A:Ican’t,10.1.__________2._________3.________4._________5.__________6._________7.________8.________9._________10._________拓展训练一、按要求