状语从句李达when和while=althoughSuddenly,shestoppedwhensheoughttohavecontinued.WhileIadmitthatthereareproblems,Idon’tagreethattheycannotbesolved.when+持续or短暂WhenIlivedthere,IusedtogototheseashoreonSundays.Whenthefilmended,thepeoplewentback.while+持续,对比Pleasedon’ttalksoloudwhileothersareworking.as一边一边,随着Asmymothersangthoseoldsongs,tearsrandownhercheeks.Astimegoeson,it’sgettingwarmerandwarmer.When,while,as________Iwashavinglunch,Inoticedapolicecarinfrontofthestore._______Johnarrived,Iwascookinglunch.______hegrewolder,helosthisinterestineverythingexceptgardening.Ilovehistory_______Iwasatschool.nosooner…than/hardly…when主-过去的过去,从-过去Ihadhardlygothomewhenitbegantorain.HardlyhadIgothomewhenitbegantorain.Wehadnosoonerarrivedatthestationthanthetrainleft.Nosoonerhadwearrivedatthestationthanthetrainleft.我刚一写作业就犯困了Itbe…before/since条件状语从句unlessaslongasIf=onconditionthat=providedthatSuppose/supposing(that)theyrefuseus,whoelsecanweturnforhelp?Incasethereisafire,whatwillwedofirst?原因状语从句because=inthatasnowthat=since目的状语从句inorderthatsothatforfearthat目的状语从句inorderthatsothatforfearthatMarydidnotwanttogetoutofbed,forfearthatshemightwakeherbabyupIncaseTakeyourraincoat,incaseitrains.结果状语从句Mikeissuchanhonestworkerthatweallbelievehim.Mikeissohonestaworkerthatweallbelievehim.Hegotuptoolatetocatchthebus.Hegotupsolateastomissthebus.方式状语从句as,asif/though(难实现用虚拟,好实现用陈述)Doasyouaretold,oryou’llbefired.Theoldladytreatstheboyasifhewereherownson.IfeelasifIhaveafever.