一、名词(无冠词)+as/though+主+谓(通常为be动词)1.Though/Althoughheisachild,heknowsfiveforeignlanguages.=Childas/thoughheis,2.Though/Althoughheisastrongman,hegaveup.=Strongmanas/thoughheis,hegaveup.二、形容词+as/though+主+谓(通常为连系动词)1.Cleveras/thoughheis,hecouldn’tpasstheexam.2.Stupidas/thoughitsounds,Ibelievedher.三、副词+as/though+主+谓1.Fastas/thoughyouread,youcan’tfinishthebookintwodays.Astrongmanas/thoughheis,hegaveup.×四、动词原形+as/though+主+谓(通常为情态动词或助动词)1.Tryas/thoughhemight,hecouldn’tsolvetheproblem.2.Loseas/thoughIdid,Igotalotofexperience.五、分词+as/though+主+谓1.Rainingas/thoughitis,I’mgoingoutforawalk.2.Criticizedas/thoughhewas,hedidn’tdiscourage.注意:although引导让步状语从句时不能倒装,as引导让步状语从句时必须倒装,而though引导让步状语从句时可以倒装也可以不倒装。