祈使句的语法概念及特点一般说来,祈使句有以下特点：1、祈使句的主语为第二人称（you）,会被省略.2、祈使句的谓语动词一律用原形.3、祈使句句末的标点符号一般是句号或感叹号.4、表示表示请求、命令、劝告、建议的语气.二、祈使句的分类按照祈使句谓语动词的不同,我们通常可以将祈使句分成如下三种类型：1、Be型：即系动词be打头的祈使句.如：Pleasebecarefulnexttime.下次请小心些.2、Do型祈使句：即行为动词原形打头的祈使句.如：Gostraightalongthisstreet,please.请沿此街笔直走.3、Let型祈使句：即以动词let开头的祈使句.如：Let’sgoouttodinner.我们出去吃饭吧.三、祈使句的否定句1、在谓语动词前加don’t.例如：Don’tbelateforschool.上学别迟到.Don’tplayfootballinthestreet.别在街上踢球四、祈使句的反意疑问句1）以Let’s打头的祈使句,用“shallwe?”.例如：Let’splaysoccertogether,shallwe?2)其他祈使句,用“willyou?”.例如：Letushaveatry,willyou?Don'tmakeanynoise,willyou?单项选择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()1.Herdoctorsaid:“________worksohard”AStopBDon’tCCan’tDNo()2.Sindy,________tobehereat8o’clockAissureBissurethatCwillbesureDbesure()3.________whenyoucrosstheroad.ADocareBCareCDobecarefulDTobecareful()4.________himthesecret,willyou?ADon’ttellBNottotellCNottellingDNotelling
