试讲——初中英语条件状语从句ppt课件

11，if意为“如果”什么是：主将从现？2，主句是一般将来时，从句要用一般现在时3，分清！从句：由if引导的句子2条件状语从句——主将从现If引导：从句-现在时，主句：Unless引导：=if…not…1，将来时（重点！）2，祈使句、情态动词3，现在时（特殊情况）3IfsentencesIfsbdoessth,sbwilldosth=sbwilldosthifsbdoessth主句（将来时）从句（一般现在时）1，if从句-一般现在时，主句-将来时（重点！）4Ifthetelephonerings,Iwillanswerit.Ifyougetuplate,youwillbelateforschool.Lookandsay5Ifyoufeelhungry,youshouldeatsomething.Ifyoufeeltired,pleasehavearest.6Ifsentences•Ifsbdoessth,pleasedosth•Ifsbdoessth,sbmay/must(情态动词)dosth主句（情态动词+do）从句（一般现在时）2，if从句-一般现在时，主句-祈使句或情态动词主句（祈使句）从句（一般现在时）7IfsentencesIfsbdoessth,sb/sthdoessth=sb/sthdoessth,ifsbdoessth主句（一般现在时）从句（一般现在时）3，if从句-一般现在时，主句-一般现在时（客观事实）主语的行为将导致某种必然发生的结果时81.Takeafishoutofwater,die2.Heatmetal,meltIfyouheatmetal,itmeltsIfyoutakeafishoutofwater,itdies.Examples9小结1——If引导：从句-现在时，主句：1，将来时（重点！）2，祈使句、情态动词3，现在时（特殊情况）总结：if条件状语从句考的频率比较高，考点有3：1，if从句的时态2，if表示“如果”和“是否”时态的区分3，连词的选择（if，unless，when...）101.Iftherenobuyingandsellingofanimals,there()nokillinginnature.【2011陕西】A.is;willheB.willbe;willbeC.is;isD.willbe;is2.Wewillgoforapicnicifit_______tomorrow.【2012浙江衢州】A.doesn'trainB.wasn'trainyC.won'trainD.wasn'training中考题型条件状语从句113.Idon'tknowifshetomybirthdaypartytomorrow.Ifshe,I'llbeveryhappy.【2011湖南益阳】A.comes;comesB.willcome;comesC.comes;willcome4.Ifyou_______himtomorrow,pleaseaskhimifhe______toworkonthefarmwithus.A.see;goesB.willsee;goesC.willsee;willgoD.see;willgo中考题型条件状语从句如果是否12条件状语从句只有if引导一种吗？比较：1，Insummer,foodgoesbadeasily,_______itisputintherefrigerator.（2010·山西中考）A.untilB.ifC.unless2，Idon’tlikebread.Iwon’teatit,___Iamveryhungry.(2009·内江中考)A.whenB.unlessC.if13Unlesssentence从句—一般现在时，主句—将来时但是：与if意思相反！“除非”sbwilldosthunlesssbdoessthifsbdoesnotdosthEg:Youwillbelateforschoolyounow.Youwillbelateforschoolyounow.unlessleavedon’tleaveif141.—We'llgoforapicnicunlessit__________thisSunday.【2012福建福州】—Wishyoualovelyweekend.A.rainsB.doesn'trainC.won'train2.Youcan’twatchTV________youfinishyourhomework.【2011内蒙古包头】A.unlessB.ifC.whileD.as中考题型条件状语从句153.Susanwillnotarriveattheairportontime,_______shehurriesup.(2008·河北中考)A.onceB.ifC.whenD.unless中考题型条件状语从句16总结：条件状语从句——主将从现If引导：从句-现在时，主句：Unless引导：=if…not…1，将来时（重点！）2，祈使句、情态动词3，现在时（特殊情况）17课后练习：（练习全部理解，说明你掌握了今天的重要内容啦！）1,Wewillplaybasketball,_______tomorrow.如果明天不下雨，我们将打篮球。除非明天下雨，我们将打篮球。2，—Tommy,doyouknowifFrank________tothezoothisSundayifit________?—Sorry,Ihavenoidea.(2009·孝感中考)A.willgo;isfineB.goes;isfineC.willgo;isgoingtobefineD.goes;willbefine1819