状语从句讲解公开课

WelcometotheEnglishshow!Lecturers:SallowHung状语从句1.时间状语从句2.条件状语从句3.原因状语从句4.地点状语从句5.让步状语从句6.目的状语从句7.结果状语从句8.方式状语从句……引导词aswhilewhenbeforeafteruntil(till)assoonaswhen,while,as,after,assoonas,until等都可以引导时间状语从句。①when从句谓语动词可以是延续性动词和瞬间动词。②while从句谓语动作必须是延续性的，有时表示对比。③as强调主语是同一个人，主句谓语动词与从句谓语动词的动作同时发生。④until肯定句中,“一直…为止”;not…until“直到…才⑤assoonas引导的时间状语从句，译为“一…就…”，表示从句动作一发生，主句的动作马上就发生。易混点while，when，assoonas,before,after1）Pleasetellme________________yougetthere.2）_________weleft,itbegantorain.3）Hewasreading______________IwaswatchingTV.4）Ilikeswimming________mysisterlikesrunning.5）Pleasethinkitover________youanswerit.6）Itwasraining_________hereachedhome.语法复习时间状语从句选词填空广告时间while，when，assoonas,before,after1）Pleasetellme________________yougetthere.2）_________weleft,itbegantorain.3）Hewasreading______________IwaswatchingTV.4）Ilikeswimming________mysisterlikesrunning.5）Pleasethinkitover________youanswerit.6）Itwasraining_________hereachedhome.assoonas/whenWhenwhen/whilewhile语法复习beforewhen时间状语从句选词填空条件状语从句表示主句中的某一动作或状态是在什么情况或条件下发生的。条件状语从句引导：if,unless(除非)……e.g.We’llcometoseeyouonSaturdayifwehavetime.复合句集团有限公司的基本规章制度时态一致主过从过主将从现主现从需条件状语从句一般由______引导，它和时间状语从句一样，当主句是一般将来时或含有情态动词或祈使句时，从句用___________时态,即_________原则【有奖问答】Ifyou____(be)ill,youmustgotoseeadoctor.IfIgothere,he_______(go)withme.if一般现在时主将从现arewillgo考点语法复习1）Ifhe_________(finish)hisworkearly,hecangoout.2）Ifhearrivesthere,he___________(phone)us.3）Ifyou________(be)freetomorrow,pleasehelphim.4）Ifwe________(break)therules,wewillgetafine.5）Unlessyouspeaktohimfirst,he_______________(notspeak)toyou.6）Ifshe________(have)timetomorrow,shewillgotovisityou.条件状语从句用括号里的词的正确形式填空语法复习1）Ifhe_________(finish)hisworkearly,hecangoout.2）Ifhearrivesthere,he___________(phone)us.3）Ifyou________(be)freetomorrow,pleasehelphim.4）Ifwe________(break)therules,wewillgetafine.5）Unlessyouspeaktohimfirst,he_______________(notspeak)toyou.6）Ifshe________(have)timetomorrow,shewillgotovisityou.finisheswillphonearebreakwon’tspeakhas条件状语从句用括号里的词的正确形式填空单项选择1._________youeatoldfood,youmaybeill.a.Beforeb.Untilc.Ifd.Which2.Wewon’thaveoursportsmeetingifit___tomorrow.a.rainsb.willrainc.rainedd.rain3.He_________waituntiltherain_________.a.wont,willstopb.wont,stopc.will,stopsd.will,willstop4.AssoonasJane_________here,IllpostthelettertoMike.a.leaveb.willleavec.leavesd.left5.Itwasalreadyfiveoclock_________wegothome.a.whenb.whilec.becaused.if抢答题一.选择恰当的引导词二.单项选择巩固练习