英语人教版九年级全册Don't eat in class!.ppt

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1、Unit4Don’teatinclass.Selfcheck2a.Listen.ChecktheactivitiesAlanandCindytalkabout.Activity1.___listentomusicintheclassroomsorhallwayscancan’t2.___listentomusicinthemusicroomcancan’t3.___listentomusicoutsidecancan’t4.___eatintheclassroomscancan’t5.___eatinthedinninghallcancan’t6.___e

2、atoutsidecancan’t7.___wearahatcancan’t8.___fightcancan’t√√√√√√√2b.Listenagain.CanAlanandCindydotheseactivities?Circle“can”or“can’t”above.Activity1.___listentomusicintheclassroomsorhallwayscancan’t2.___listentomusicinthemusicroomcancan’t3.___listentomusicoutsidecancan’t4.___eatinth

3、eclassroomscancan’t5.___eatinthedinninghallcancan’t6.___eatoutsidecancan’t7.___wearahatcancan’t8.___fightcancan’t√√√√√√√Checkyouranswers!1b.Listenandputan×forthingsDavecan’tdoanda√forthingshehastodo.RulesCan’t(×)Haveto/Must(√)Whenagoout×onschoolnightseefriendsdohishomeworkpracticet

4、heguitardothedisheswatchTVhelphismommakebreakfastcleanhisroomh×onschooldaysc√afterschoole√beforedinnerb√afterdinnerg×intheeveningd√everymorningf√everySaturday1c.Listenagain.WritewhenDavehastofollowtherulesinthechartinb1.Choosefromthephraseinthebox.ontheschoolnightseverySaturdaybefo

5、redinnerintheeveningonschooldaysafterschoolafterdinnereverymorningPracticeCanwe…?Yes,wecan.No,wecan’t.eatinclasslistentomusicoutsidewearhatsinschoolfightinclassspeakloudlyinthelibrary1.祈使句是表示请求、命令、叮嘱、号召、劝告等的句子;通常省略主语you;句中谓语动词用动词原形;句尾一般用降调;祈使句的开头是动词原形。祈使句有肯定和否定两种：e.g.Look out!小心！Wa

6、it here for me!在这等我！GrammarComein,please!请进！Sitdown,please.请坐。Let'sgohome.我们回家吧。否定的祈使句是在动词前(即句首)加Don't.e.g.Don'ttalkinclass!不要在课常上讲话！Don'topenthewindow!别开窗！Don’tbelateforschool.上学别迟到!Don’tsmoking!别吸烟!2.情态动词have to的用法haveto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＋have to＋动词原形＋其他(一般现在时,主

7、语是第三人称单数时,用has to;句子是过去时,用hadto.)如：Wehave towear sneakers for gym class.在体育课上,我们必须穿运动鞋。Tomhastopractice the guitar every day.汤姆每天必须练习弹吉它。Ihadtoget up at 5:00 am last Monday.上周一,我不得不早上5点起床。2)否定形式:主语＋don’t have to＋动词原形＋其他(一般现在时,主语是第三人称单数时,用doesn’thave to;句子是过去时,用didn'thave to)e.g.Nic

8、kdoesn't have towear a uni