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turn的用法一、turn用作名词时,意为“轮流”“依次轮流的顺序”。例如:Nowit’syourturntoreadthetext.现在轮到你读课文了。It'smyturntousethebike.该轮到我用自行车了。Youmuststandinlineandwaitforyourturn.你必须排队等候。含turn的短语有:taketurns意为“替换”“轮流”;byturns意为“轮流地”。例如:Pleasetaketurnstoaskquestions.请轮流提问。Welookedafterthelittleboybyturns.我们轮流照看这个小男孩。Wetaketurnstomakedinner.我们轮流做晚饭。(=Wemakedinnerbyturns.)注：takeone'sturntodosth.=dosth.inturn=dosth.byturns轮流做某事=taketurnstodosth.=taketurnsatdoingsth.=taketurnsdoingsth.Thenursesattendedthepatientinturn/byturns.=Thenursestookturnstoattendthepatient.Thetwinstaketurnstomakedinner.=Thetwinstaketurnsatmakingdinner.=Thetwinstaketurnsmakingdinner.二、turn用作系动词时,意为“变得”。例如:Inspringthetreesturngreenandtheflowersstarttocomeout.春天,树变绿了,花儿开了?Inautumntheleavesturnyellow.秋天树叶变黄。Sheturnedpale.她的脸变得苍白。三turn用作不及物动词时,意为“转向”“翻转”.turnright/left=turntotheright/left例如:Turnright.Attheendoftheroadyou’llseethehospital.向右拐,在路的尽头就是那家医院?Justgostraightandturnleft.一直往前走,然后向左拐?TurntoPage12inyourworkbook.翻到练习册第12页?Heturnedhisfacetothewall.他转过脸面向墙壁。Theroadturnssouthoutsidetown.此路在城外转弯向南。turntosth./sb.(forhelp)WhenIamindifficulty,Ialwaysturntohimforhelp.我有困难时总是找他帮忙。四、转动,旋转Thewheelturnswhenitsaxismoves.轮轴动时,轮子也跟着转动。Heturnedthekeyinthelock.他旋动插进锁里的钥匙。五、使倒置,使颠倒;倾倒[O]Heturnedtheglassupsidedown.他将玻璃杯子倒置。六、turn可以和介词或副词一起构成短语动词,表达不同的意思?常见的这些短语动词有:1.turnover意为“翻过来”例如:Tomturnedoverthenoteandread,“Comeandlookformeinthestudy.”汤姆把便条翻过来读道,“到书房来找我.”2.turnon意为“打开(灯?收音机?电视机等)”?例如:Pleaseturnontheblender.请打开果汁机?Iturnedontheradio.Thelittlegirlstoppedcrying.我打开收音机,这小女孩不哭了?3.turnoff意为“关上(灯?收音机?电视机等)”例如:PleaseturnofftheTVset.请把电视机关掉?Pleaseremembertoturnoffallthelightswhenyouleave.请记住离开时一定把所有的灯都关掉.4.turndown/up意为“调低/高(音量)”?例如:Couldyouturnyourradiodown,please?你能把收音机的音量调低一点儿吗?Pleaseturntheradioup.请把收音机的音量调高一些?5.turninto变成Waterhasturnedintoice.水已经结成了冰。turn...into...(使……)成为……Thefarmersareturningwastelandintoricefields.6.turnover(使)打翻/翻身/翻动/翻耕(土地)/转危为安Themanturnedoverandwenttosleepagainwhenthetelephonerang.7.turnin上交Thechildpickedupapurseonthewayandturneditintothepoliceman.补：8.turnout结果是/证明是/生产出Theweatheryesterdayturnedout(tobe)fine.Thefactoryturnedoutmoreproductsthantheyhadexpected.9.turnfromsidetoside把身体转来转去Thenaughtyboyturnedfromsidetosidewhileansweringquestionsinclass.10.turnup开大/出现/找到/证明是(=turnouttobe)Themeetingisbeginning，buthehasnotturnedup.Hemighthavebeenlost.11．turnagainst背叛Nobodywillturnagainsthiscountry.Heturnedagainsthisformerfriends.他转而与以前的朋友作对。Hetriedtoturnmyfriendsagainstme.他试图使我的朋友反对我。[练习]从ABCD中选择最佳答案.1.—DoyoumindifI________theTVabit?—Yes,Ido,becauseI’mbusywithmyhomeworknow.A.turnonB.turnupC.turndownD.turnoff2.Thelightsmustbe________beforeyouleavetheclassroom.A.turnedonB.turnedupC.turneddownD.turnedoff3.Don’t________theradio.Thebabyissleeping.A.turnoffB.turnonC.turnoverD.turndown4.HowmagnificenttheBundlooksatnightwhenallthelightsare________!A.turnedoverB.turnedoffC.turneddownD.turnedon5.—Herradioistooloud,isn’tit?—Yes.Letmetellherto________.A.turnitupB.turnupitC.turnitdownD.turndownit6.—Theradioistoonoisyandthereisnothinginterestingonit.Whydon’tyou________?—Allright.I’lldothat.A.turnitonB.turnitoffC.turnitbackD.turnitupKey:1.B2.D3.B4.D5.C6.B易错题：Tenyearslater，heturnedteacher.A./B.aC.anD.the注:此题考查turn作连系动词的特殊用法,即turn作连系动词时后接表语名词，省略冠词.所以此题的答案为A.如果turn后加into则须在名词前加冠词a.