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if引导的条件状语从句观察下列句子，总结if引导的条件状语从句的用法。【例句】1.Ifyoustandintherain,yougetwet.2.Yougetwetifyoustandintherain.3.Ifitdoesn’traintomorrow,Iwillplantsomeflowersinmygarden.4.Iwillplantsomeflowersinmygardenifitdoesn’traintomorrow.【总结】1.If表示“____”的意思，引导____状语从句。当表示条件成立就____（必然/可能）有某种结果（常用于客观真理）时，主句和从句都用________时（例1、2）；当表示条件成立就____（必然/可能）有某种结果时，主句用_________时，从句用_________时，简称“主将从现”（例3、4）。如果条件必然一般现在可能一般将来一般现在2.当if引导的从句放在主句前时，____（用/不用）逗号隔开两个句子（例1、3）；当主句在前时，则____（用/不用）逗号（例2、4）。3.记记这个顺口溜吧！“if条件句不一般,几个要点记心间；条件句,放在前,逗号要放句中间；条件句表可能，主句多用将来时；条件句表事实，主句常用现在时。”不用用一、请判断下面句子的正误，如果有误，请更正在后面的横线上。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→has二、根据中文意思完成句子。1.如果你不运动，你会变胖。Ifyou________exercise,you___________.2.如果我早完成作业，我会早点睡。I________tobedearlyifI_____myhomeworkearly.3.如果你把水煮开，它会变成水蒸气。Ifyou_____water,it__________steam.don’tdowillgetfatwillgofinishboilturnsintoPossibleactionResult1.Ifyoutakeafishoutofwater,a.itmelts2.Ifyoucoolwater,b.itdies.3.Ifyouboilwater,c.theygrow.4.Ifyouheatmetal,d.itturnsintoice.5.Ifyouputwoodintowater,e.theydie.6.Ifyouplantseedsinsoil,f.itbreaks.7.Ifyoudropaglass,g.itbecomessteam.8.Ifyoudonotgiveplantswater,h.itfloats.bdgahcfeA21.Ifyou_____________________water.(ice/turns/heat/it/into)2.Aballoon___________________________it.(pin/a/if/stick/you/bursts/into)3.Ifyou_______________________water.(steam/into/cool/turns/it)heatice,itturnsintoburstsifyoustickapinintocoolsteam,itturnsinto4.Metal_________________it.(you/heat/melts/if)5.Wood_____________________water.(you/put/if/floats/it)6.Aglass____________________it.(drop/you/breaks/if)meltsifyouheatfloatsifyouputitintobreaksifyoudropB.Ifsentences:actionswithpossibleresultsABIfyouwriteashoppinglist,Ifyoutelephoneyourclassmates,Ifyoulookitupinthedictionary,Ifyougotobedearlier,Ifyoucheckyourtimetableeverynight,they’lltellyouwhathomeworktodo.you’llremembertogetallthethings.you’llfindoutitsmeaning.youwon’tfeeltiredinthemorning.you’llknowwhichbookstotake.()1.I’dliketoplaybasketballwithmygoodfriendstomorrowiftheweather____nice.A.wasB.hasbeenC.willbeD.is()2.Ifyouheatice,it____intowater.A.willturnB.turnC.turnsD.turned()3.IwaswatchingTV____someoneknockedatthedoor.A.whenB.whileC.ifD.thoughDCA()4.____Jennyheardthedoorbell,____shedidn’tanswerit.A.Although；/B.But；/C.Though；butD.Although；but()5.Myfathertoldmethathe____backhomethenextweek.A.willcomeB.wouldcomeC.cameD.comesAB用if将下列句子连接起来,并注意动词的适当形式。1.Youheattheice.Itmelts.2.Youpourwaterontothefire.Itisputout.3.Yougotobedlatetonight.Youwillfeeltiredtomorrow.Ifyouheattheice,itmelts.Ifyoupourwaterontothefire,itisputout.Ifyougotobedlatetonight,youwillfeeltiredtomorrow.4.Youarenottired.Let’sgoforawalk.5.Wewillgoclimbingtomorrow.Itwon’train.Ifyouarenottired,let’sgoforawalk.Ifitdoesn’traintomorrow,wewillgoclimbing.