as引导定语从句一、as引导限制性定语从句先行词前通常有such、thesame、as、so,构成suchas、thesame...as、as…asso...as结构,作主语,宾语和表语Don’ttrustsuchmenaspraiseyoutoyourface.不要相信那种当面吹捧你的人。Youshouldreadonlysuchbooksasyoucanunderstandwithoutmuchdifficulty.你应当只读那些你读起来不太难懂的Makefriendswithsuchaswillimproveyourmanners.要和能改善你的言行的那种人结交。•Wehavearrivedatthesameconclusoinastheyhave.•我们已得出和他们同样的结论。比较:thesame...as和thesame...that•ThisisthesamewatchasIlost.•这同我丢的那块表一样。•ThisisthesamewatchthatIlost•这正是我丢的那块表。•It’saspleasantafilmasIhaveeverseen.这是一部和我以往看的同样好的电影。Asmanysoldiersasmarchedwerekilled.很多游行的战士都被杀了。1.It’sthesamepersonthatwewantedtofindyesterday.我们昨天要找的是同一个人。2.SuchgirlsasheknowsaregoodatEnglish.他所认识的女孩都擅长英语。3.Doyouhavesuchbooksaswelike?你有我们喜欢那种书吗?4.Shewillmarryaswealthyamanasshecanfind.她将嫁给她能找到的任何一个有钱人。5.Thereissowarmahouseaswewanttolivein.这里有如此暖和的房子,我们都想住在里面。6.Hehassodifficultaproblem,asnoneofuscansolve.他有如此难的一个问题,我们没有人能解决。二、引导非限制性定语从句⑴as指代整个主句内容,从句可放在句首,句中或句尾1.Aseveryoneknows,Chinaisabeautifulcountrywithalonghistory.2.Theearth,asweknow,movesroundthesun.3.Tomworkshardandiswillingtohelpothers,asweallknow.⑵as引导非限制性定语从句,“正如,正像”的含义Theboyhasasmuchprogress,aswehadexpected.正像我们所预料的那样,这个男孩取得了大的进步。(3)1as在非限制性定语从句中做宾语时通常做see、watch、know、say、tell、remember等词的宾语Itwastrue,aseverybodycouldknow.Ashasbeensaidbefore,Chinaplaysanimportantroleintheworld.2as在非限制性定语从句中做主语时,谓语动词通常是被动形式,如是不及物动词,则正常使用。asoftenhappens(appears)asiswelldiscussed正如已讨论过的asisoftensaid正如通常所说asisoftenthecase通常就是这样ashasbeenpointed正如所指出的那样ashasbeensaidbefore如上所述asoftenhappens如同经常所发生的那样asmightbeexpectedaswehadexpected正如所料asiswellknowntoall众所周知asanybodycansee