会计学Goandwashyourhands.（去洗你的手。——命令）Bequiet,please.（Pleasebequiet.）（请安静。——请求）Bekindtooursister.（对姊妹要和善。——劝告）Watchyoursteps.（走路小心(xiǎoxīn)。——警告）(禁止乱扔垃圾。——禁止)Turnleft!Turnright!Bequiet,please.Goupstairs!GuessingGameLetmehelpyou.GuessingGameGuessingGameGuessingGameGuessingGameGuessingGameDon’tsleepinclassReadandobserve(观察(guānchá))祈使句用法(yònɡfǎ)口诀轻松(qīnɡsōnɡ)小练习祈使句结构(jiégòu)如下：TranslatethesentencesintoEnglish1.Jim,_____meahand.A.givesB.isgivingC.willgiveD.give2.____careful,Jenny!Thereisatreeinfrontofyou.A.AmB./C.BeD.Was3.Let's____ourtime.A.notwasteB.nowastingC.nottowasteD.nowaste4.—____higher,andyouwillseethehouse.—OK.A.IfyoustandB.TostandC.WhenyoustandD.Stand5.Please___doit.A.heB.lethimC.letheD.him6._____letanyoneopenthedoor.A.Don'tB.WillC.NotD.No7.—Don’tbelateagain.—Sorry,______.A.ImayB.ImustC.IwillD.Iwon’t8.—Callmewhenyougethome.—OK,____.A.ImustB.IcanC.IwillD.ImayGivingorders/instructionsLet’sdomoreexercises.6._____forgettowritetomewhenyou_____gettherenextTuesday.A.Don't;willB.Please;willC.Please;/D.Don't;/7.Please___doit.A.heB.heletC.lethimD.him8.____comein,please.A.WillB.DoC.Won'tD.Did9._____careful!A.BedoB.DobeC.NotD.Notdo10._____letanyoneopenthedoor.A.Don'tB.WillC.NotD.No11.LetJohnfinishtheworkallbyhimself,____?A.shallweB.willyouC.doyouD.dowe12.---Let’sgohome,shallwe?---_____.A.That’sright.B.That’sallC.That’sallrightD.Allright13.Pleaseturnonthelight,_____?A.areyouB.shallweC.shallID.willyou14.Don’ttellhimthefactnow,_____?A.shallweB.shallyouC.willyouD.doyou15.Letthechildrennotmakesomuchnoise,____?A.shallweB.willyouC.shallID.doyou16.____6and4,andyouwillgetten.A.AddedB.AddingC.ToaddD.Add17.____lateagain,orI’llreportittoyourfather.A.Don’tbeB.Youaren’tC.Can’tbeD.Aren’t18.Don’tinterruptherwhensheisspeaking,___?A.won’tyouB.willyouC.shallweD.shan’twe19._____getoffthelorryuntilitstops.A.DoB.Can’tC./D.Don’t20.Let’snotbeginoursupperuntilfathercomesback,____?A.willyouB.won’tyouC.shallweD.shan’tweontheroadinclass