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祈使句英语祈使句的职责是用来表示请求、命令、建议、禁止等。它的特点是通常没有主语，多以动词原形开始。下面，看看六兄弟的表演吧！1.大哥V[档案]V(代表行为动词原形)+宾语+其它成分[表演]①Closethewindow.关上窗户。②Helpyourselftosomefish.随便吃点鱼吧。2.二哥B[档案]Be+表语(名词/形容词等)+其它成分[表演]①Beagoodstudent!做个好学生！②Bequiet!安静！3.三哥L[档案]Let+宾语(通常为第一或第三人称宾格)+动词原形+其它成分[表演]①Let’sgohome!咱们回家吧！②Letherin.让她进来。4.四哥D[档案]Don’t+动词原形+其它成分[表演]①Don’tbelate.不要迟到。②Don’treadinthesun.别在阳光下看书。5.五哥P[档案]Please+动词短语(please也可放在句尾，其前加逗号)[表演]Pleasesitdown.=Sitdown,please.请坐。6.六弟N[档案]No+名词或动名词(是日常生活中常见的警示语)[表演]①Nophotos!禁止拍照！②Nosmoking！禁止吸烟!六兄弟为了和小朋友们交个朋友，把英语祈使句王国的秘笈也一并奉献给大家：祈使句，无主语，只用谓语就可以。表示请求或命令，加上please表客气。Standup,please！请起立！Comehere.来这里。如果变成否定句，Don’t开头是规律。Nofishing！是警示语，祈使句用法要牢记。语法练兵场用括号内所给动词的适当形式填空。1.It’sanimportantmeeting.__________(not,be)late.2.____________(not,make)anynoise!Yourmotherissleeping.3.____________(not,speak)withyourmouthfulloffoodand____________(be)polite.4.____________(not,talk)and____________(read)aloud.5.____________(not,leave)yourhomeworkfortomorrow,Larry.句型转换11.Willyoupleasereaditagainmoreslowly?（改为祈使句）__________againmoreslowly,please.12.Ifyoudon'tlistentome,I'llgo.（改为同义句）__________me,orI’llgo.13.Let'swatchthesportsgames.（改为反意疑问句）Let'swatchthesportsgames,__________?14.Theteachersoftentellthestudentsnottobecareless.（改为祈使句）__________careless,please.15.PleasesitnexttoNancy.（改为否定句）__________nexttoNancy.16.Don'tforgettoturnoffthelights,please.（改为反意疑问句）Don'tforgettoturnoffthelights,__________?17.Ifyoumove,you'lldie.（改为同义句）__________,oryou'lldie.18.Cometomyhousetomorrow.（改为反意疑问句）Cometomyhousetomorrow,__________?19.这是一个坏了的被子。（翻译句子）Thisisa____________.20.让我们去帮帮那个哭泣的女孩吧。（翻译句子）Let’sgoandhelpthe__________,please.用括号内所给动词的适当形式填空。6.____________(look)out!Acariscoming.7.____________(give)ustenyearsandjustseewhatourcountrywillbelike.8.____________(not,let)thebabycry.9.Wearmoreclothesoryou____________(catch)acold.10.Let’s____________(not,say)anythingaboutit.一、将以下祈使句改为否定式：1.Comehereearly.2.Askhim.3.Pleasewaitforher.4.Readthebookcarefully.5.Situnderthetree,please.6.Let’sgotheretogether.二、选择最佳答案填空：1.TheTVistooloud.Please________.A.turnitdownB.toturnitdownC.turndownitD.toturndownit2._______lateagain,Bill!A.Don'ttobeB.Don'tbeC.NotbeD.Benot3._______crosstheroaduntilthetrafficlightsturngreen.A.NotB.Won'tC.Doesn'tD.Don't4.Pleasehelpmecarryit,______?A.willIB.willyouC.shallID.shallwe5.Don'tmakesomuchnoise,______?A.willyouB.won'tyouC.shallweD.doyou6.Doyouknowthegirl______underthetree?A.standB.tostandC.standingD.stood7.Kate,_______yourhomeworkheretomorrow.A.bringB.bringsC.tobringD.bringing8.________methetruth,orI'llbeangry.A.TellingB.TotellC.ToldD.Tell9.I'vekeptthedog_______Maomaoforalongtime.A.NameB.namedC.namingD.toname10.Don'tyouknowthat_______isgoodforourhealth?A.swimB.swimmingC.swamD.swims参考答案语法练兵场1-5.ABDBA6-10.CADBB11.Readit12.Listento13.shallwe14.Don’tbe15.Don’tsit16.willyou17.Don’tmove18.will/won’tyou19.brokenglass/cup20.cryinggirl