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1、if if引导的条件状语从句引导的条件状语从句位置：从句可放在主句之前或之后，但是放在主句之前从句可放在主句之前或之后，但是放在主句之前须有有逗号隔开逗号隔开eg:如果我有足够的钱，我就去环游世界If 引导条件状语从句 定定义：if “如果如果,假如假如”它引它引导的句子表示某事的句子表示某事发生所需的生所需的条件，即条件，即“在在条件下，某事才能条件下，某事才能发生生”，在句子中充当状，在句子中充当状语，因此称之因此称之为条件状条件状语从句。（从句。（If引引导的条件状的条件状语从句表示假从句表示假如有从句的如有从句的动作作发生，就会有主句生，就会有主句动作的作的发生生）If I have
2、enough money,I will travel around the world=I will travel around the world if I have enough money练一练：1。如果她早点儿起床，就有时间在家里吃早餐 If she_ _a little earlier,shell have time to eat breakfast at home.2。如果你参加聚会，你将会过得很开心。If you_ the party,you_ _ a great time.3。如果明天下雨，我们将不去野餐If it _tomorrow,we _ _ for a picnic.4
3、。如果你经常听英文歌，你将会喜欢英语If you often _ _English songs,you_ _English.getsupjoinwillhaverainswontgolistentowilllike1.Ifhe_(not,doit),I_(do)it.2.Ifyou_(be)lateforschool,myteacher_(be)angry.arewillbe3Ifshe_(win)theprize,we_(be)happy.winswillbe4.IfI_(not,eat)somuch,I_(get)thinner.5.Ifyou_(tell)them,they_(not,b
4、elieve)you.donteatwillgettellwontbelieve6I_(stay)athome,Ifit_(rain).7.Ifit_(not,rain),I_(go)out.8.we_(play)football,Ifitis_(sun).9.Ifshe_(become)astar,herparents_(not,send)heraway10.He_(watch)TV,ifhe_(be)free.willstayrainsdoesntrainwillgowillplaysunnybecomeswontsendwillwatchisdoesntdowilldo1.Imsurei
5、fhe_(go)totheparty,he_(have)agreattime.2.Iftherain_(stop)tonight,wewillgotothecinema.3.IllbuyacomputerifI_(have)enoughmoney.4.You_(notget)nervousifyou_(do)enoughexercise.6.Iwanttoknowifhe_(come)tomorrow,ifhe_(come),I_(give)themassagetohim.goeswillhavestopshavewontgetdocomeswillcomewillgiveI_(record)
6、theCDforyoutomorrow.Doessheoften_(lend)moneytoherbrother?Thesnake_(notappear)ifyoumakenoise.Inthefinalexam,I_(get)goodmarks.willrecordlendwontappearwillget2.Youmay_(pass)theexamifyou_(study)hard.rainswillstaypassstudy3.Ifyouwanttorecord,_(press)theredlight.press1.IfIt_(rain)tomorrow,I_(stay)athome.F
7、ill in the blankets with the proper form用括号内所给词的正确形式填空1.Iftherain_(stop)tonight,wewillgotothecinema.2.IllbuyacomputerifI_(have)enoughmoney.3.You_(notget)nervousifyou_(do)enoughexercise.4.Ifshe_(be)kindtome,I_(notargue)withher.5.Iwanttoknowifhe_(come)tomorrow,ifhe_(come),I_(give)themassagetohim.stops
8、havewontgetdoiswontarguewillcomecomeswillgiveIf Im ill,_.IwillseeadoctorLook and sayIf Im late,_.IwillsaysorryIf Im hungry,I will_.If Im tired,I will_.Look and sayeatsomefoodhavearestIf it rains tomorrow,I_.willwatchTVathomeIf it _ tomorrow,_.IllplaybasketballdoesntrainI wont_.playbasketballIf 条件句歌诀
9、条件句，放在前，逗号要放句中间；条件句，表可能，从句多用现在时，主句多用将来时。2022/10/31Self check1.Fillintheblankswiththewordsinthebox.meeting,teenagers,video,experience1.Ifmyfamilytravelstoanewcountrythissummer,Illsendyoualetteraboutmy_.2.Willyouwatchthe_withmeifyourefreethisweekend?experiencevideo3.If the _ stay out too late,their pa
10、rents will worry about them.4.Ill go to the _ if it ends by 5:00 p.m.meeting,teenagers,video,experiencemeetingteenagersA:Hi,Sally,_you_tothepartytomorrow?B:I_to,butIcant.2.Completetheconversationwithwordsinthebox.Somewordsareusedmorethanonce.if,are,will,fight,want,sorry,goingaregoingwantA:Oh!But_you
11、dontgototheparty,you_missallthefun!B:Iknow,butIgotintoa_withmyparents.ifwillfightA:Hmmthenyoushouldjustsay_toyourparents.B:Iguessyoureright.I_talktothemtonight.sorrywill1.itrainsallweekend?_Ifitrainsallweekend,Illchatwithmyfriendsonlineandplaycomputergames.3.Useyourimagination!Whatwillyoudoif2.theresanEnglishtesttomorrow?_3.yourcousindecidestocomeandvisitfromanothertown?_Ifmycousindecidestocomeandvisitfromanothertown,Illhaveapartyforhim.AndIllinvitealotofgoodfriends.IftheresanEnglishtesttomorrow,Illgoovermybooksandnotes.Thanks for listening.Goodbye.结束结束