哈34中八年级上英语导学案主备人：孙晓欢日期：2014年9月Unit1Lesson3(Structure)语法讲解（一）一、语法名称：时间状语从句二、引导时间状语从句的连接词：assoonas,after,before,when,while,as,until,till等。三、when、while、的区别：1）从句的谓语动词是延续性的动作时，我们可以用when，while.Eg：Youcanplayoutside______________Iwascooking.2)当从句的谓语动词表示瞬间性的动作时，只能用whenEg：Youcanplayoutside_____________youfinishyourhomework.3）当主从句都是现在进行时态时，一般情况用while.Eg:Youwereplayingoutside_________Iwascooking.课堂练习一、完成下列练习()1.Whileshe____TVinthelivingroom,thebell______.A.iswatching;rangB.watches;ringsC.waswatching;rang()1.Hewasplayingcomputergames______hismotherwascleaningthehouse.A.whileB.whenC.after()3.Iwasdoingmyhomework______mybrothercametoseemeyesterday.A.whenB.afterC.before()4._Iwasreadingbooks,mymotherwascookinginthekitchen.A.WhileB.WhenC.AandB()5.WhenIwasdoingsomecleaning,myfriendLucy___me.A.wasvisitingB.visitedC.visit()6.AmywasreadingabookwhenI___intotheclassroom.A.wascomingB.comeC.came二、完成p7练习题，并翻译语法讲解（二）一、时间状语从句时态的原则：1）当主句为一般现在时、含有情态动词，从句为任意一种时态。（主现从任意）2）当主句为一般过去时，从句为过去的某一种时态。（主过从过）3）当主句是一般将来时，从句为一般现在时。（主将从现）二、完成下列练习1.--Didyouwinthewritingcontest?--Yes,Idid.IwilltellthegoodnewstomyteacherassoonasI_______her.AseeB.willseeC.sees2.--Youhavepassedtheexam,Tim.Youshouldtellyourmother.哈34中八年级上英语导学案主备人：孙晓欢日期：2014年9月--Yes!I’lltellherassoonasshe_____.A.returnbackB.returnsC.return3.Whentheweather___,manypeoplewillgooutforawalk.A.isfineB.wasfineC.isbad4.OurclasswillplanttreesontheSunIsland.Assoonaswe___there,wewillstarttoplanttrees.AarriveB.arrivedC.willarrive5.IwanttobeateacherwhenI______.AamgrowingupB.willgrowupC.growup6.Wewillhavetocleantheclassroombeforeourteacher____.AcomesbackB.camebackC.comeback7.Mr.Brownwillmeetusassoonashe_____.AarrivesB.arrivedC.isarriving8.Itwillbesunnylater.We_____assoonastherain____.Acanplaybasketball,stopB.willplaybasketball,stopC.playbasketball,stops课堂检测1.Whenyou___________(eat)atarestaurant,pleaseorderjustenoughfood.2.Idon’tknowwhenhe_________(come)heretomorrow.Butwhenhecomeshere,I_________(tell)you.3.AmywasreadingabookwhenI_________(come)intotheclassroom.4.You’dbettercallmeassoonasyou__________(get)there.
