We’llhaveapicnicifitdoesn’traintomorrow.______________________一般将来时态一般现在时态Ifyoumissher,pleasecallher.Ifyouworkharder,you’llgethighermarks.=Workharderandyou’llgethighermarks.Ifyoudon’thurryup,you’llbelateforschool.=Hurryup,oryou’llbelateforschool.If从句+祈使句If引导的条件状语从句：主将从现1.MymumwascookingwhenIgotintothekitchen.__________________过去进行时一般过去时时间状语从句2.HisfathercameinwhilehewaswatchingTV_________________一般过去时过去进行时时间状语从句时间状语从句：由when,while,before,after,assoonas,since,not…until引导。注：在when引导的时间状语从句中，动作可以是表示延续的，也可以是表示瞬间的；但while引导的从句中，动作一定是表示延续的3.HehaslivedinBeijingsincehewasborn.________________现在完成时一般过去时4.I’llcallhimassoonasIgetthere.________一般将来时一般现在时5.Afterheleftthecollege,hewenttoAmerica.6.Hedidn’tgotobeduntilhisfathercameback________Hedidn’tcometoschoolbecausehewasill.=Hewasill,sohedidn’tcometoschool.原因状语从句Thoughheisverytired,hestillgoesonworking.让步状语从句重点提示：because不能与并列连词so同时在句中使用由sothat,inorderthat引导的目的状语从句1.Westartedearlysothatwecouldcatchthefirsttrain.2.Hestudieshardinorderthathecanworkbetterinthefuture.由so…that,such…that(如此….以至于），sothat（因此，所以）引导结果状语从句1.HespokesofastthatIcouldn'tfollowhim．2.Sheissuchagoodteacherthateverybodylikesher.3.Mypencilfellunderthedesk,sothatIcouldn’tseeit.4.Sheissuchagoodgirlthatwealllikeher.=Sheissogoodagirlthatwealllikeher.副词名词1.Speakclearlysothattheymayunderstandyou.（目的状语从句）2.Jackisbadlyillsothathehastorest.(结果状语从句)sothat既可引导目的状语从句，又可引导结果状语从句以便于因此，所以注意:在时间状语从句中，主句和从句之间的时态应按下列规律确定。1）主句一般将来时，从句用一般现在时（特别是用assoonas引导从句时）2)主句含有情态动词，从句用一般现在时：Theboywillbeawriterwhenhegrowsup.I’llringyouupassoonasIgettoNewYork.Whenthelightsarered,thetrafficmuststop.3)主句为祈使句时，从句用一般现在时：Pleasedon’tgotobedbeforeyoufinishyourhomework.4)主句为一般过去时，从句也用过去时态：例如：Theyoungmanreadtillthelightwentout.Let’swaituntiltherainstops.Wewon’tstartuntilBobcomes.Don’tgetoffuntilthebusstops.IlikedreadingwhenIwasyoung.5）在带有till或until引导的时间状语从句的主从复合句里，如果主句用肯定式，其含义是“一直到……时”，谓语动词只能用延续性动词。如果主句用否定式，其含义是“直到……才……”,“在……以前不……”,谓语动词可用瞬间动词。命题趋势：状语从句中的连词、时态是一个考点，常见于单选和完成句子中从属连词在完形填空中也有考点。分析试题特点及做题思路：考连词----做题思路：认字---判断关系---选择正确的连词考时态-----做题思路：认字---判断语境提供的时态特点---选择正确的时态1.--It’s9o’clocknow.Imustgo.--It’srainingoutside.Don’tleave______itstops.A.whenB.sinceC.until2.Frank_____afilmifhe’sfreenextSaturday.A.seeB.sawC.willsee3.Thechildrenwillclimbthehillifit_______tomorrow.A.won’trainB.didn’trainC.doesn’train4.I’llwritetoyou_______Igetthere.A.whileB.beforeC.assoonas5.Shewaslateforschool______shemissedthebus.A.untilB.becauseC.if6.Hismotherwas_______busy______shecan’tlookafterTom.A.so,thatB.such,thatC.very,that7.Katewenttoschool_______itrainedheavilyyesterday.A.thoughB.ifC.but8.Heleftearly_____hecouldcatchthetrain.A.so,thatB.such,thatC.sothat9.Ifyou_______himtomorrow,pleaseaskhimifhe______toworkonthefarmwithus.A.see;goesB.willsee;goesC.see;willgo如果是否根据中文意思完成句子根据中文意思完成句子1.Iwillgivethetickettohim________________(1.Iwillgivethetickettohim________________(我我一见到他一见到他))2.Theforeignfriendshavevisitedalotofcities2.Theforeignfriendshavevisitedalotofcities____________________(____________________(自从他们到中国以自从他们到中国以来来))3.MrGreenwon’tgo__________________.3.MrGreenwon’tgo__________________.((直到你回来直到你回来))4.Icouldrideabike_____________________.4.Icouldrideabike_____________________.((当我当我1010岁时岁时))assoonasIseehimsincetheycametoChinauntilyoucomebackwhenIwas10yearsold5.Ibegantodosomedrawing5.Ibegantodosomedrawing________________________(________________________(我完成作业后我完成作业后))6.Hehastosendhisdaughtertoschool6.Hehastosendhisdaughtertoschool_______________________(_______________________(他上班之前他上班之前))afterIfinishedmyhomeworkbeforehegoestowork
