状语从句连词状从句引从句的注after,as,before,once,since,till,1.hardly,nosooner引的从句要用去完成，hardly和nosooner在句首，从句要部分倒until,装.Hardlyhadsb.donesth.+when/before.;Nosoonerhadsb.donesth.+than.状when,whenever,while,assoonas,引的从句注意看是瞬是延性hardly(scarcely)when,Since句型:Itis/hasbeen+timesincesb+去从引的从句注意其特别用法句Nosoonerthan,thetime(moment,wasabouttodo/wasonthepointofdoing/wasdoing/had(not)done+when(就在那).instant,minute,day),immediately,的句型instantlyItwill（not）be+time+beforeItwas(not)+timebefore5.notuntil的在倒装句中和句中Notuntil+副/介短/状从句+半倒装；Itwasnotuntil+被部分+that+句子其他部分地点状where,wherever后者表示.从句方式状as,asif/thoughas“依据”；“正如”从句原由状because,since,as,now(that)气一个比一个弱；for“因”，引的是并列句，表示特别明的原由也许是作推的原由，但从句它只好位于句末Itmusthaverainedlastnight,forthegroundiswet.（推的原由）Thesixblindmenhadneverseenanelephant,fortheywereblind.（特别明的原由）果状sothat,such(a)that,sothat和such.that中的so或such在句首，主句要部分倒装从句sothat,thatSo+形容/副+半倒装+that.目的状sothat,inorderthatsothat也可以引果状从句“以致于.”从句if,unless,incase,as/aslongas,only注意分清if从句中能否用虚气条件状if,onlyif位于句首,主句倒装从句on(the)conditionthat,suppose/supposing(that),provided/providing(that)比状asas;notsoas;thesameas;HenryisnotsuchagoodworkerasPeter.从句suchas;than退步状语从句though,although,eventhough,as,while（“尽管”，只在句首）,as指引的退步状语从句要倒装；though名词/形容词/副词/动词原形+as/though+指引的退步状语从句可以倒装也可以不倒装主语+谓语，+主句.nomatterhow/wh-=-ever