《if条件状语从句好用》PPT课件讲义

Itisapplicabletoworkreport,lectureandteachingif条件状语从句好用Ifyoucoolwater,itturnsintoice.①②ifclause从句mainclause主句if引导的条件状语从句1.Ifyouheatmetal,itmelts.如果把金属加热，它就会融化。2.Waterturnsintoiceifyoucoolit.如果你冷却水，它就会变成冰。ifclause从句mainclause主句从句主句从句主句从句在主句前时，____（用/不用）逗号隔开当主句在前时，则____（用/不用）逗号不用用Ifyoudropaglass,itbreaks.Ifyouheatice,itmelts.Ifyoustandintherain,yougetwet.主句和从句都用_____________(时态)因为if引导的条件句说的是_____________一般现在时客观事实/普遍现象Actionswithdefiniteresults读下列例句，试着自己 总结 初级经济法重点总结下载党员个人总结TXt高中句型全总结.doc高中句型全总结.doc理论力学知识点总结pdf if的用法：1.Ifyouheatmetal,itmelts.如果把金属加热，它就会融化。2.Waterturnsintoiceifyoucoolit.如果你冷却水，它就会变成冰。3.Ifyoustandintherain,yougetwet.如果你站在雨里，就会淋湿。4.Ifyoudropaglass,itbreaks.如果你把玻璃杯掉在地上，它就会碎。由例句我们可以知道：如果if引导的条件句谈论的是一种____________时，主句谓语动词便不用shall/will+动词原形，而直接用_______时的动词形式。真理/客观事实一般现在Water________(turn)intoiceifyou__________(cool)it.Ifyou________(stand)intherain,you_________(get)wet.turnscoolstandget--b--d--g--a--h--c--f--e1.Ifyou___________________water.2.Aballoon_____________________it.3.Ifyou___________________water.4.Metal_____________________it.5.Wood_________________water.6.Aglass_________________it.heatice,itturnsintoburstsifyoustickapinintocoolsteam,itturnsintomeltsifyouheatfloatsifyouputitintobreaksifyoudropActionswithpossibleresults读下列例句，总结if的用法：1.Ifheruns,he’llgetthereintime.如果他跑步去，就会及时赶到那。2.Hewillhelpyouifyouaskhim.如果你请他帮忙，他会帮你的。3.Ifyoufailintheexam,youwilllethimdown.如果你考试失败了，你会让他失望的4.Ifyougetuplate,youwillbelateforschool.如果你起床晚了，上课就会迟到。由例句我们可以知道：在if引导的条件状语从句中，如果从句谈论的是一个有可能发生的事实以其产生的相关结果，从句用_____________,主句用_______________.一般现在时态一般将来时态(主将从现)I________(stay)athomeifit_______(rain)tomorrow.Ifhe____________(notcome),I_____________ (go)swimmingalone.willstayrainsdoesn’tcomewillgoIfyougetuplate,youwillbelateforschool.LookandsaygetuplatelateforschoolIfthetelephonerings,Iwillanswerit.LookandsayringanswerIfIhavealotofmoney,Iwillbuyabighouse.Lookandsayalotofmoneyabighousehard-workingIfsheishard-working,shewillgetgoodgrades.getgoodgradesLookandsaygofishing.IfitissunnythisSunday,I’llgofishing.LookandsaysunnythisSundayP105BWilliamhasfiveproblemsGivehimsomeadvicefromcolumnAandB1Isometimesforgettotaketherightbooktoschool.Ifyoucheckyourtimetableeverynight,you’llknowwhichbookstotake.一、判断正误，如果有误，请更正1.Ifyouwilldomoreexercisethissummer,youwillbeveryfit.2.Thecandleburns,ifyoulightit.willdo→do把逗号去掉3.IwillbuildmanyschoolsforthepoorchildrenifIwinabilliondollars.4.Ifyoufreezewater,itwillturnintoice.5.Myunclevisitsthemuseumifhewillhavetime.正确willturn→turnsvisits→willvisit,willhave→hasIf的两个意思:If:“如果”“是否”引导条件状语从句引导宾语从句Idon’tknowifhewillcometomorrow.Iwillgotothecinemaifitdoesn’train.主现从现/主将从现if可用将来时BettywillvisittheHistoryMuseumifit____________(rain)tomorrow.Benwantstoknowifit___________(be)finetomorrow.If引导的条件状语从句不用将来时，意思为“如果”。If引导的宾语从句可以用将来时，意思为“是否”。doesn’trainwillbe是否如果Exercises:Hewillhelpmewithmymathsifhe____free.AwasBwillbeCwouldbeDisIdon’tknow_____hewillcometomorrow.____hecomes,I’lltellyou.Aif;WhetherBwhether;WhetherCif;ThatDif;If3.Pleasetellhermytelephonenumberifshe_____(want)toknow.wantsDD4.Willyoucomeandstaywithusforawhileifyou______(finish)doingyourhomework?Wangdoesn’tknowifthere_________(be)anEnglisheveningnextweek.Mikeaskedmeifwe___________(ask)anyquestionsthenextclass.Wearegoingforpicnictomorrow.I’llcallWendytomakesure________.AwhytostartBwhentostartCwhattostartDwhichtostartwouldaskfinishwillbeB8.---Wouldyoupleasetellme____next?---Thinkitover.You’llfindagoodway.AwhentodoBhowtodoCwhattodoDwheretodo9.Idon’tknowifmyuncle_____.Ifhe___,Iwillbeveryhappy.Acomes;willcomeBwillcome;willcomeCcomes;comesDwillcome;comes10.EitheryouorI_____goingtoShanghai.Onlyonepersonmaygothere.AareBwereCamDwasCDC()11.Ifit______sunnytomorrow,I____boating.A.isgoB.willbe,goC.is,willgoD.willbe,willgo()12.--whatwillyoudoifit______tomorrow,--I’llstayathomeandwatchTV.A.rainB.rainsC.willrainD.israiningCB()13.Ifhe______,I______himthetime.A.comes,tellB.willcome,willtellC.comes,willtellD.willcome,tell()14.Ifit______,it______cold.A.snows,willbeB.snows,isC.willsnow,willbeD.willsnow,is()15.Ifyou______astoneintowater,it______.A.put,sinksB.put,willsinkC.willput,sinksD.willput,willsinkCBA11.He_______(help)mewithmymathsifhe____(be)free.12.Idon’tknowifJim________tomorrow.Ifhe_______,Iwillbeveryglad.(come)13._____(tell)hermytelephonenumberifshe______(want)toknow.14.Ifit____(be)sunnytomorrow,I______(go)boating. 15.Ifyou______(boil)water,it_______(turn)intosteam.16.Youcan________(travel)aroundtheworldifyou________(have)money.willhelpiswillcomecomesTellwantsiswillgoboilturnstravelhaveTranslatethefollowingsentences:1.如果你请他帮忙,他会帮你的。Ifyouaskhim,hewillhelpyou.2.如果你考试不及格,你会让他失望的。Ifyoufailintheexam,youwilllethimdown.3.如果你作业做完了就可以回家了。Ifyouhavefinishedthehomework，youcangohome．4.如果熊陷入危险，它们就攻击人。Ifbearsareindanger,theyattackpeople. 5.如果我早早地到那里，我就可以快点看病。IfIgetthereearly，Icanseethedoctorquickly.翻译下面句子。1.如果明天不下雨的话，我就和同学们去动物园。2.如果周六你去购物的话，我就去。Ifitdoesn’traintomorrow,Iwillgotothezoowithmyclassmates.IwillgoshoppingonSaturdayifyougo.Testyourself演讲结束，谢谢大家支持附PPT常用图标，方便大家提高工作效率生活图标元素医疗图标元素