大学英语六级语法常考知识讲解精编.docx

大学英语六级语法常考知识讲解

关于大学英语六级语法常考知识讲解一、1)表示目的;它的否定式是soasnottodo。Tomkeptquietabouttheaccidentsoasnottolosehisjob.汤姆对事故保持沉默是为了不丢掉他的工作。Goinquietlysoasnottowakethebaby.轻点进去，别惊醒了婴儿。2)sokindasto---劳驾Wouldyoubesokindastotellmethetime?劳驾，现在几点了。二、though,although注意：当有though,although时，后面的从句不能有but，但是though和yet可连用Althoughit‘sraining,theyarestillworkinginthefield.虽然在下雨，但他们仍在地里干活。Heisveryold,buthestillworksveryhard.虽然他很老，但仍然努力地工作。Thoughthesorebehealed,yetascarmayremain.伤口虽愈合，但伤疤留下了。(谚语)典型例题1)___sheisyoung,sheknowsquitealot.A.WhenB.HoweverC.AlthoughD.Unless答案：C。意为虽然她很年轻，却知道许多。2)as,though引导的倒装句as/though引导的'让步从句必须表语或状语提前(形容词、副词、分词、实义动词提前)。Childas/thoughhewas,heknewwhatwastherightthingtodo.=Thoughhewasasmallchild,heknewwhatwastherightthingtodo.注意：a.句首名词不能带任何冠词。b.句首是实义动词，其他助动词放在主语后。如果实义动词有宾语和状语，随实义动词一起放在主语之前。Tryhardashewill,heneverseemsabletodotheworksatisfactorily.=Thoughhetrieshard,heneverseems…虽然他尽了努力，但他的工作总做的不尽人意。3)everif,eventhough.即使We‘llmakeatripeventhoughtheweatherisbad.4)whether…or-不管……都Whetheryoubelieveitornot,itistrue.5)"nomatter+疑问词"或"疑问词+后缀ever"Nomatterwhathappened,hewouldnotmind.Whateverhappened,hewouldnotmind.替换：nomatterwhat=whatevernomatterwho=whoevernomatterwhen=whenevernomatterwhere=wherevernomatterwhich=whichevernomatterhow=however注意：nomatter不能引导主语从句和宾语从句。(错)Nomatterwhatyousayisofnousenow.(对)Whateveryousayisofnousenow.你现在说什么也没用了。(Whateveryousay是主语从句)(错)Prisonershavetoeatnomatterwhatthey‘regiven,(对)Prisonershavetoeatwhateverthey‘regiven.囚犯们只能给什么吃什么。