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1、Unit6Don’teatinclass.SectionAWhatdothesesignsmean?rulesDon’tfight.不准打架。Whataretherulesatyourschool?Don’tarrivelateforclass.不准上课迟到。Don’tbelateforschool.Don’tlistentomusicintheclassroom.Don’truninthehallways.Don’teatintheclassroom.Don’twearahatinschool.Don’ttalkinclass.Don’ttalkwitheachotherincla
2、ss.不准在上课讲话。Stoptalking.Pleasekeepquietinthelibrary.Don’tspeakloudlyinthelibrary.Don’tsmoke.(Nosmoking)不准吸烟。/禁止吸烟！Wehavetowearauniformatschool.Wehavetocleantheclassroomseveryday.Whatelsedoyouhavetodo?1.Don’tforgettoturnoffthelightwhenyouleave.2.Don’tdrawonthewall.3.Don’twatchTVafterschool.4.Don’
3、tplayfootballinthestreet.5.Youmustgetupearly.……Wecan’trulethecountrywithoutrules.没有规章制度就不能治理好国家。keeprulesbreakrulesschoolrulesclassrulesfamilyruleslibraryrulesdiningrules遵守规则违反规则校规班规家规图书馆规则就餐规则PracticeCanwe…?Yes,wecan.No,wecan’t.eatinclasslistentomusicoutsidewearhatsinschoolfightinclassspeaklou
4、dlyinthelibraryDon’truninthehallways.Don’tfight.Whataretherules?Wemustbeontimeforclass.Canweeatintheclassroom?No,wecan’t,butwecaneatinthedininghall.Canwewearahatinclass?Yes,wecan./No,wecan’t.Doeshehavetowearauniformatschool?Yes,hedoes./No,hedoesn’t.Whatdoyouhavetodo?Wehavetobequietinthelibrary.
5、GrammarFocus1.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！Wait 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!D
6、on’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
7、＋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.Nickdoesn't have towear a uniform.尼克不必穿制服。Wedidn'thavetodo our homework at once.我们不必马上完成作业。3)疑问句:Do(Does或Did)＋主语＋have to＋动词原形＋其他如:--Doyouhavetostay
