新概念2第16课课件

Don’ttouch.

Danger!

Noeatingordrinking.

Keepoffthegrass

Bequiet/keepquiet

Noentry

Noparking“Nosmoking”——Itmeansyoushouldn’tsmokehere.“Nolittering”——Itmeansyoushouldn’tlitterthingshere.“Noparking”——Itmeansyoushouldn’tparkhere.“Donottouch”——Itmeansyoushouldn’ttouchit.“Danger”——Itmeansyoumuststayawayfromhere.“Noeatingordrinking”——Itmeansyoushouldn’teatordrinkhere.“Keepoffthegrass”——Itmeansyoushouldn’twalkonthegrass.Itmeansyoushouldkeepoffthegrass.“Bequiet”——Itmeansyoushouldn’tmakenoisehere.Itmeansyoushouldkeepquiethere.Ifyou______yourcarinthewrongplace,a_______policemanwillsoonfindit.Youwillbevery_______ifheletsyougowithouta_____.However,thisdoesnotalways______.Trafficpolicearesometimesvery________.__________aholidayinSweden,Ifoundthis_____onmycar:'sir,we_________youtoourcity.Thisisa"NoParking"_______.Youwill_______yourstayhereifyoupay_________toourstreet______.Thisnoteisonlyareminder.'Ifyou_______a________likethis,youcannotfailto_____it!parktrafficluckytickethappenpoliteDuringnotewelcomeareaenjoyattentionsignsreceiverequestobeyIfyouparkyourcarinthewrongplace,atrafficpolicemanwillsoonfindit.Youwillbeveryluckyifheletsyougowithoutaticket.However,thisdoesnotalwayshappen.Trafficpolicearesometimesverypolite.DuringaholidayinSweden,Ifoundthisnoteonmycar:“sir,wewelcomeyoutoourcity.Thisisa"NoParking"area.Youwillenjoyyourstayhereifyoupayattentiontoourstreetsigns.Thisnoteisonlyareminder.”Ifyoureceivearequestlikethis,youcannotfailtoobeyit!1.trafficpoliceman2.letsb.go3.duringaholiday4.welcomeyoutoourcity5.NoParking6.payattentionto7.streetsigns8.receivearequestlikethis9.failtodosth交通警察放开某人在假期欢迎你光临我们的城市5.禁止停车6.注意7.交通标志8.收到这样的恳求9.未能做某事，做某事失败Ifyouparkyourcarinthewrongplace,atrafficpolicemanwillsoonfindit.Youwillbeveryluckyifheletsyougowithoutaticket.However,thisdoesnotalwayshappen.Trafficpolicearesometimesverypolite.parkn.公园;游乐场;停车场v.停放,放e.g.Youcan’tparkyourcarinthisstreet.DuringaholidayinSweden,Ifoundthisnoteonmycar:'sir,wewelcomeyoutoourcity.Thisisa"NoParking"area.Youwillenjoyyourstayhereifyoupayattentiontoourstreetsigns.Thisnoteisonlyareminder.'Ifyoureceivearequestlikethis,youcannotfailtoobeyit!noten.笔记,记录;便条e.g.Thepolicemannotedsomefootprints.vt.注意,观察;记下arean.区域;面积;范围e.g.Thisareaisverycold.signn.标志;征兆e.g.Signyournamehere,please.v.签(名);做手势,做记号DuringaholidayinSweden,Ifoundthisnoteonmycar:'sir,wewelcomeyoutoourcity.Thisisa"NoParking"area.Youwillenjoyyourstayhereifyoupayattentiontoourstreetsigns.Thisnoteisonlyareminder.'Ifyoureceivearequestlikethis,youcannotfailtoobeyit!sign的词组：asasignof…表示…,作为…的表示makeasigntosb.朝某人做手势symbol指作为象征或表达某种深邃意义的特殊事物。sign指代表具有固定意义的一种简明的符号或标志。比symbol简单明了。mark指在其他事物上留下的清晰可见的印痕或先天固有的标志。remindvt.提醒;使想起e.g.Someantsremindusoffarmers.remindern.提醒的人/物;暗示DuringaholidayinSweden,Ifoundthisnoteonmycar:'sir,wewelcomeyoutoourcity.Thisisa"NoParking"area.Youwillenjoyyourstayhereifyoupayattentiontoourstreetsigns.Thisnoteisonlyareminder.'Ifyoureceivearequestlikethis,youcannotfailtoobeyit!failvt.失败,不及格;(使)失望;失灵e.g.Somestudentsfailedtogetaprizebecausetheyfailed(in)theexam.failtodosth.表示“未能做某事(表否定)”或“考试不及格”failin(doing)sth.表示“在某方面失败”obeyvt.服从,顺从,听从e.g.Everybodyshouldobeytherules.1、Ifyouparkyourcarinthewrongplace,atrafficpolicemanwillsoonfindit.Adverbialclauseofcondition条件状语从句If…sentencesIfyouwanttoturnontherecorder,pressthebluebutton.Ifyoulikegreatmusic,pleasewelcomeSallyMaxwell.Iftheredlightdoesn’tcomeon,waitforthirtyseconds.Ifthereisnogreenlight,choosethe“copy”symbol.Languagepractice

if引导的条件状语从句用法要点:if引导的条件状语从句。if意为“如果”,引导条件状语从句时,表示假如有从句的动作发生就(不)会有主句的动作发生。例如:Ifitdoesn’traintomorrow,wewillgotherebybike.如果明天不下雨,我们就骑自行车去那里。

IfIgetthereearly,Icanseethedoctorquickly.如果我早早地到那里,我就可以快点看病。Completethesentences:Part1:Ifyou____(want)tolistentomusic,______(choose)aCD.2.Ifyou____(buy)anewcamera,___(get)agoodone.3.Ifthelight___________(notcome)on,____(wait)foroneminute.wantchoosebuygetdoesn’tcomewait4.Ifyou____(want)tokeepthepicture,____(save)itonyourcomputer.5.Ifit___________(notwork),____(wait)aminuteandthen___(try)again.6.Ifyou____(need)tosendanemail,___(use)mycomputer.wantsavedoesn’tworkwaittryneeduse7.Ifyou__________(notknow)howtousethecamera,____(read)theinstructions.8.Ifyou_________(notlike)theprogramme,____(turn)theTVoff.don’tknowreaddon’tliketurnWriteinstructionsrecord/press/redbutton2.send/atextmessage/use/amobilephoneIfyouwanttorecordthemusic,presstheredbutton.Ifyouwanttosendatextmessage,useamobilephone.3.like/thepictures/save/onthecomputer4.findout/howitworks/read/theinstructions

Ifyoulikethepicture,savethemonthecomputer.Ifyouwanttofindouthowitworks,readtheinstructions.5.see/thephotos/lookon/thewebsiteIfyouwanttoseethephotos,lookonthewebsite.Henry:Ican’tflyit.Carol:Ifyou_______(put)onanotherwing,it__________(fly).Pairwork:CarolisgivingadvicetoHenry.IfyouwereCarolandHenry,whatshouldyousaytoeachother?putwillflyIfeelcold.Iamsohot.Ican’tseeclearly.Themeatwillgobad.1.IfIpassmyexams,I’llleaveschool.2.IfIleaveschool,I’llgetajob.3.IfIgetajob,I’llworkasa________.4.IfIworkasa________,________.5.IfI________,________.6.IfI________,________.7.IfI________,________.8.IfI________,________.GroupWorkIfsentences

(1)Ifsb

does

sth,sb

willdo

sth=sb

willdo

sth

ifsb

does

sth

主句（将来时）从句（一般现在时）A：actionshavingresultsthatwillprobablyhappen主语的行为将导致某种可能发生的结果时主将从现Ifsentences

(1)Ifsb

does

sth,sb

willdo

sth=sb

willdo

sth

ifsb

does

sth

主句（将来时）从句（一般现在时）A：actionshavingresultsthatwillprobablyhappen(2)主句为祈使句或情态动词形式Ifsb

does

sth,pleasedo

sthIfsb

does

sth,sb

may(情态动词)do

sthExercises:changethefollowingsentencesintoifsentencesreturnscallbuypasses1.Ifshe______(return)fromParis,please____(call)me.2.Ifmyhusband______(pass)thetest，wemay____(buy)acar.Exercises:changethefollowingsentencesintoifsentences3.Getupearly,notbelate4.Takeafishoutofwater,die5.Heatmetal,meltIfyougetupearly,youwon’tbelate.Ifyouheatmetal,itwillmelt.returnscallbuypasses1.Ifshe______(return)fromParis,please____(call)me.2.Ifhe______(pass)thetest，wemay____(buy)acar.Ifyoutakeafishoutofwater,itwilldie.2、Youwillbeveryluckyifheletsyougowithoutaticket.withoutaticket=without____________aticketgivingyou

介词(表否定)没有，无，不需与名词、