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1、If条件状语从句专项练习状语从句用来修饰主句中的动词，副词和形容词的从句叫状语从句。根据其含义状语从句可分为时间状语从句，地点状语从句，条件状语从句，原因状语从句，结果状语从句，比较状语从句，目的状语从句，让步状语从句。2.条件状语从句(1)条件状语从句通常由if,unless引导。例如：Whatshallwedoifitsnowstomorrow?Don’tleavethebuildingunlessItellyouto.(2)在条件状语从句里，谓语动词通常用现在时态表示将来的动作或状态。例如：I’llhelpyouwithyourEnglis
2、hifIamfreetomorrow.Hewon’tbelateunlessheisill.(3)“祈使句+and(or)+陈述句”在意思上相当于一个带有条件状语从句的复合句。例如：Hurryup,oryou’llbelate.=Ifyoudon’thurryup,you’llbelate.Studyhardandyouwillpasstheexam.=Ifyoustudyhard,youwillpasstheexam.总结：状语从句分类及常用连词：类别 连 词时间状语从句 when,whenever,while,as,be
3、fore,after,since,till,once（一旦）地点状语从句 where,wherever原因状语从句 because,since,as,for,nowthat（既然，由于）etc.（etcetera，等于andsoon）目的状语从句 inorderthat(为了，以便),sothat,that,etc.结果状语从句 so…that,sothat,such…that,that,etc.条件状语从句 if,unless,as(so)longas,etc.让步状语从句 though,although,evenif,eventh
4、ough,however,whatever,as,etc.比较状语从句 as…as,so…as,than,etc.方式状语从句 as,asif,asthough,etc.一、用所给词的适当形式填空1.Ifyou________(feel)tired,you_______________(have)tohavearest.2.IfMarcia_____________(live)alone,she___________________(keep)apetparrot.3.Lana________________(buy)anewdressift
5、heoldone____________(be)outofstyle.4.I____________(go)tothebeachifit________________(notrain)thisweek.5.He____(write)alettertohisgrandparentsifhe____(get)hisreportcardthis2week.6.Ifshe____________(get)uplate,she_____________(notcatch)theearlybus.三、单项选择1.Ifyou_____totheparty,y
6、ou’llhaveagreattime.A.willgoB.wentC.goD.going4.Weifangisfamous______kites.A.forB.toC.onD.with5．I____hertheanswerifshe____me.A.cantell,willaskB.willtell,willaskC.wouldtell,askD.willtell,asks6.–Whatareyougoingtodotomorrow?--We’llgotothelibrarytomorrowifit___.A.isn’trainB.rainC.
7、won’trainD.doesn’train7.—doyouknowwhenhewillcomebacktomorrow?--Sorry,Idon’tknow.Whenhe____back,I’lltellyou.A.comesB.willcomeC.comeD.maycome8.Whatwillyoudoifyou_____totheoldfolk’shomevisit?A.goB.wentC.goingD.willgo9.IfIeat____food,I’llbeveryfat.A.toomanyB.manytooC.toomuchD.muc
8、htoo10.I’llgivethebooktohimifhe___herenextSunday.A.willcomeB.comesC.
