第八讲状语从句一定义:A状语主要是用来修饰动词和形容词的,以表明动作发生或状态存在的时间,地点,原因,等。1.Tenyearsago,ShebegantoliveinDalian.时间状语修饰began2.Theboywaspraisedforhisbravery.原因状语修饰waspraisedB状语从句就是用一个句子来代替上面的时间状语和原因状语。1.Tenyearsago,shebegantoliveinDalian.Whenshewas12yearsold,shebegantoliveinDalian.2.Theboywaspraisedforhisbravery.Theboywaspraisedbecausehesavedthebaby’slifeinthefreezingriver.二状语从句的种类:A时间状语从句:连接时间状语从句的连接词有:(1)连词:when,while,as.它们都表示当…时候的意思。如果主句和从句的动作同时发生且都是进行时态,只用while,as.其他情况下when,while,as通用。1.Whenhecamein,Iwaslisteningtotheradio.2.AsIwaswanderinginthestreet,Imether.3.While(as)IwaswatchingTV,mymumwascookinginthekitchen.(2)连词before,after,since,until(till).当他们表示时间时,他们既是介词又是连词。{Heusuallydrinksacupofteabeforehegoestoschool.连词Heusuallydrinksacupofteabeforegoingtoschool.介词{Heusuallydrinksacupofcoffeeafterhecomesbackfromschool.连词Heusuallydrinksacupofcoffeeaftercomingbackfromschool.介词{IhavelivedinDaliansincemysonwasbornin1999.连词通常情况下,主句用现在完成时,从句用一般过去时。IhavelivedinDaliansince1999.介词{Iwillwaithereuntil(till)youfinishyourjob.连词Iwillwaithereuntil(till)8pm.介词(3)词组:assoonas{Iwilltellhimassoonashecomesback.Assoonasshefinishesherhomework,shewillplaytennis.通常情况下,主句用一般将来时,assoonas引导的从句用一般现在时。B地点状语从句:连接地点状语从句的连接词有:where,wherever1.Wherethereiswater,thereislife.2.Wherethereisawill,thereisaway.3.Whereveryougo,Iwillfollowyou.==Nomatterwhereyougo,Iwillfollowyou.4.IwillgowhereverIcanfindagoodjob.==IwillgonomatterwhereIcanfindagoodjob.C原因状语从句:连接原因状语从句的连接词有:because,as,since,for.1.Tomwaslateforschoolthismorningbecausehedidn’tcatchtheearlybus.2.Icouldn’tgotoBeijingonbusinessasmymotherwasill.3.Sinceallofusagreedaboutthisplan,wewillcarryitoutnextweek.4.Welistenedcarefully,forthespeechwasveryimportant.注意:当连接原因状语从句时,because语气最强,as,since,for次之;because,as,since引导的从句可在主句前面或后面,for引导的从句只能在主句的后面。D条件状语从句:连接条件状语从句的连接词有:if,unless,aslongas.1.IfIamnotbusytomorrow,Iwillplayfootballwithyou.2.Youwon’tpasstheexamunlessyouworkhardonit.3.Aslongasyoutakemyadvice,youwilloutwityourrival.注意:一般情况下,if,unless,aslongas引导的从句用一般现在时,主句用一般将来时。E让步状语从句:连接让步状语从句的连接词有:although,though,evenif,eventhough,疑问词+ever,nomatter+疑问词.1.Although(though)Igavehimsomeadvice,hedidn’ttakethem.2.Johncontinuedtoworkhardevenif(eventhough)hefeltsick.3.Whateveryoudo,Iwillsupportyou.==Nomatterwhatyoudo,Iwillsupportyou.4.Whoeveryoumaybe,Iwillnotletyouin.===Nomatterwhoyoumaybe,Iwillnotletyouin.5.Howeverdifficultitmaybe,wewillovercomeit.===Nomatterhowdifficultitmaybe,wewillovercomeit.注意:一般情况下,although等于though,evenif等于eventhough,however等于nomatterhow,wh-ever等于nomatterwh-.F方式状语从句:连接方式状语从句的连接词有:as,asif,asthough.1.YoushoulddoyourhomeworkasTomdid.2.Jerrywaslyingonthebedasif(asthough)hewasverytired.注意:通常情况下,asif等于asthough.G目的状语从句:连接目的状语从句的连接词有:sothat,inorderthat.1.Cherrywaswalkingquicklysothat(inorderthat)shecouldarrivedatthecinemaintime.2.Johnsentthemailbyairinorderthat(sothat)itmightarrivealittleearly.注意:通常情况下,sothat等于inorderthat.H结果状语从句:连接结果状语从句的连接词有:so…that,such…that.{Heransofastthatwecouldn’tkeepupwithhim.ShespokeEnglishsoclearlythatallofuscouldunderstandher.{Sheissuchaniceteacherthatallofusloveher.Sheisasoniceteacherthatallofusloveher.{Thechefcookedsuchnicefoodthatweateupattheendofthedinner.Thechefcookedsonicefoodthatweateupattheendofthedinner.{Theseweresuchinterestingbooksthatwekeptreadinguntiltheendoftheclass.Theseweresointerestingbooksthatwekeptreadinguntiltheendoftheclass.