unit 10 if 条件状语从句

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1、Unit10Ifyougototheparty,you’llhaveagreattime!IfyouarehappyIfyou'rehappyandyouknowitclapyourhandsIfyou'rehappyandyouknowitclapyourhandsIfyou'rehappyandyouknowitneverbeafraidtoshowitIfyou'rehappyandyouknowitclapyourhandsIfyou'rehappyandyouknowitstompyourfeetIfyou'rehappyandyouk

2、nowitstompyourfeetIfyou'rehappyandyouknowitneverbeafraidtoshowitIfyou'rehappyandyouknowitstompyourfeetIfyou'rehappyandyouknowitwinkyoureyeIfyou'rehappyandyouknowitwinkyoureyeIfyou'rehappyandyouknowitneverbeafraidtoshowitIfyou'rehappyandyouknowitwinkyoureyeIfyouarehappy,whatw

3、illyoudo?Iamhappy,Iwill…playfootballgofishingplayguitardanceswimIfif条件状语从句1)Definition由引导词if引导的状语从句叫做条件状语从句。if意为“如果，假如”，用来引导条件状语从句作实现主句的条件，即表示在某种条件下某事很可能发生。2)Structure主句+if+从句eg.IwillsingasongifIamhappy.If+从句,主句eg.Ifitiscoldtomorrow,Iwillwearmysweater.主句从句从句主句3)Tense“主将从现”的原则，即主句用一

4、般将来时，从句用一般现在时表将来。eg.IwillsingasongifIamhappy.Ifitiscoldtomorrow,Iwillwearmysweater.主句从句从句主句Whoisthebest?1.---IthinkI'mgoingtostayathome.---Ifyou,you'llbesorry.A.willdoB.doC.didB2.I'llgowithyouifIfree.A.willbeB.wasC.amC3.Wegototheparkifitdoesn'train.A./B.willC.canB4.Ifyoustudyhard,y

5、ougoodgrades.A.getB.gotC.willget分清主从句主将从现C主句+if+从句If+从句,主句if条件状语从句Sheisgoingtowalktoschool.Shewillbelate.Ifshewalkstoschool,shewillbelate.Shewillbelateifshewalkstoschool.Itisgoingtoraintomorrow.Iwillstayathome.Ifitrainstomorrow,Iwillstayathome.Iwillstayathomeifitrainstomorrow.Itwil

6、lbesunnytomorrow.Theywillhaveatriptomorrow.Ifitissunnytomorrow,theywillhaveatrip.Theywillhaveatripifitissunnytomorrow.Hewon’tstudyhard.Hewillfailintheexam.Ifhedoesn'tstudyhard,hewillfailintheexam.Hewillfailintheexamifhedoesn'tstudyhard.Ifyouhavearobot,whatwillyoudo?IfIhavearobot,Iw

7、illletit…helpwiththehouseworktakecareofmylittlesisterteachmeEnglishafterschool