小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.comUnit4Don'teatinclass.祈使句【教材原句】Don'teatintheclassroom.不要在教室里吃东西。1.概述祈使句常表达说话人的劝告、叮嘱、请求或命令等。祈使句因对象（即主语）是第二人称，所以通常省略主语。肯定祈使句通常以动词原形开头，句末使用句号或感叹号来表示结束。祈使句通常有以下三种类型：①do型Openthedoor,please.请打开门。②be型Bequiet!安静！③let型Let'sflyakite.让我们放风筝吧。2.否定祈使句的基本结构否定祈使句通常有以下几种基本结构：①Don't+动词原形（＋其他）。②Let+宾语＋not+动词原形（＋其他）／Don'tlet+宾语＋动词原形（＋其他）。③No+名词／动名词。Don'trunintheclassroom.不要在教室里奔跑。Letthedognotgointotheroom.=Don'tletthedoggointotheroom.不要让狗进入房间。Nophotos!禁止拍照！典例－playsoccerinthestreet!It'sdangerous.－OK.A.DoB.Don'tC.MustD.Mustn't【解析】句意为：－不要在街上踢足球！这很危险。－好的。由“It'sdangerous.”可知空处所在句是让对方不要在街上踢足球，应用祈使句的否定形式；结合语境可知应用“Don't+动词原形＋其他。”结构。小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com教材核心句式知识链接及典例解读小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com【答案】B一、单项选择1．________gotobedtoolate,Jack.Youhavetogetupearlytomorrowmorning.A．Don’tB．Doesn’tC．Didn’t2．________wakeupyoursister,Ben.Sheneedsagoodsleep.A．Don’tB．Aren’tC．Can’t3．—Dad,canIeatoutwithmyfriendsthisevening?—________yourhomeworkfirst,andthenwe’lltalkaboutit.A．FinishingB．FinishC．TofinishD．Finishes4．Don't__________youtwo!Bequiet!A．fightB．tofightC．fightsD．fighting5．_________lateforthemeetingtomorrow.It’sveryimportant(重要的).A．Don’t.B．Don’tbeC．Doesn’tbe6．—________forschool.—Sorry,Iwon’tdoitagain.A．NoarrivelateB．Don’tlateC．Don’tarrivelateD．Can’tbelate7．Mike,please_______forthebusatthebusstopnearthepostoffice.A．waitingB．waitsC．wait8．—Tony,__________yourteethquickly.—OK,Mom.A．brushesB．brushC．brushingD．tobrush9．Wehavetofollowtherules,so________bringfoodtothelibrary.A．notB．don’tC．can’tD．mustn’t10．－Tom,it’ssocoldoutside.Putonmoreclothes,________you’llcatchacold.－OK,mom.Iwill.A．andB．orC．becauseD．if11．Pleasequiet,Tom.Yourmothernow.A．be;issleepingB．keep;sleepsC．is;issleepingD．keeps;issleeping小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com12．—________runinthestreet,Lucy.—Iwon’t.A．Can’tB．Doesn’tC．Don’tD．Do13．Don’t________toomanytrees.They’regoodforourenvironment(环境).A．sitdownB．cutdownC．putupD．tocutdown14．__________thewindowsbeforeyouleavetheclassroom.A．TocloseB．ClosingC．ClosedD．Close15．—Peter,______talking.Youmustbequietinthelibrary.—Sorry,MissWang.A．stoptoB．stopC．stopsD．stopped16．—________arrivelateforschool,Mike.—OK.A．NotB．Don’tC．NoD．Can’t17．Please_________lookoutside.Lookattheblackboard.A．notB．don’tC．can’t18．__________carefully,please!Lookattheroadsign.Thereisaschoolahead.A．DriveB．TodriveC．DrivingD．Drives19．Tim,________upandhaveagoodbreakfast!A．callsB．getC．callD．gets20．Comeand_________themusicclub.A．tojoinB．joinC．joiningD．joins21．________atthepicture.Acatisinit.A．WatchB．LookC．SeeD．Meet22．Please________hereontime.Ourteachertellsus________lateforschool.A．arrivein,don’tB．arriv...