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1、語(yǔ)法復(fù)習(xí)六:狀語(yǔ)從句由從句擔(dān)任的狀語(yǔ),在句子中可修飾謂語(yǔ)(或其它動(dòng)詞)、形容詞、副詞或是整個(gè)句子,它可以用來(lái)表示時(shí)間、地點(diǎn)、原因、目的、結(jié)果、條件、方式、比較、讓步等。狀語(yǔ)從句是一較大的語(yǔ)法項(xiàng)目,也是近幾年高考題中常見的一個(gè)重要試點(diǎn)。高考中已考查了時(shí)間、讓步、地點(diǎn)、條件、目的等狀語(yǔ)從句,這些從句仍是今后高考熱點(diǎn),應(yīng)作充分準(zhǔn)備。同時(shí)對(duì)方式狀語(yǔ)從句也應(yīng)引起重視。(一)時(shí)間狀語(yǔ)從句表示時(shí)間的狀語(yǔ)從句可由when,as,while,whenever,after,before,till(until),since,once,a
2、ssoonas(或themoment),bythetime,nosooner…than,hardly(scarcely)…when,everytime等引導(dǎo)。e.g.WhenIcameintotheoffice,theteacherswerehavingameeting.Hestartedassoonashereceivedthenews.Onceyouseehim,youwillneverforgethim.NosoonerhadIgonetobedthanIwenttosleep.(二)原因狀語(yǔ)從句原因狀語(yǔ)從句
3、是表示原因或理由的,引導(dǎo)這類從句的最常用的連詞是because,since,as,nowthat(既然)等,for表示因果關(guān)系時(shí)(它引導(dǎo)的不是從句)為并列連詞,語(yǔ)氣不如because強(qiáng)。e.g.Heisdisappointedbecausehedidn'tgettheposition.Asitisraining,Iwillnotgoout.Nowthatyoumentionit,Idoremember.(三)地點(diǎn)狀語(yǔ)從句引導(dǎo)地點(diǎn)狀語(yǔ)從句的連詞是where和wherever等。e.g.Sitwhereveryouli
4、ke.Makeamarkwhereyouhaveaquestion.(四)目的狀語(yǔ)從句引導(dǎo)目的狀語(yǔ)從句最常用的詞(組)是so,sothat(從句謂語(yǔ)常有情態(tài)動(dòng)詞),inorderthat,incase(以防,以免)等。e.g.Speakclearly,sothattheymayunderstandyou.ShehasboughtthebookinorderthatshecouldfollowtheTVlessons.Heleftearlyincaseheshouldmissthetrain.(五)結(jié)果狀語(yǔ)從句結(jié)果狀
5、語(yǔ)從句是表示事態(tài)結(jié)果的從句,通常主句是原因,從句是結(jié)果。由sothat(從句謂語(yǔ)一般沒有情態(tài)動(dòng)詞),so…that,such…that等引導(dǎo)。e.g.Shewasill,sothatshedidn’tattendthemeeting.Hewassoexcitedthathecouldnotsayaword.Sheissuchagoodteacherthateveryoneadmiresher.(六)條件狀語(yǔ)從句條件狀語(yǔ)從句分真實(shí)性(有可能實(shí)現(xiàn)的事情)與非真實(shí)性(條件與事實(shí)相反或者在說(shuō)話者看來(lái)不大可能實(shí)現(xiàn)的事情)條件
6、句。引導(dǎo)條件狀語(yǔ)從句的詞(組)主要有if,unless,so(as)longas,onconditionthat,so(as)faras,ifonly(=if)。注意:條件從句中的if不能用whether替換。e.g.Ifheisnotintheoffice,hemustbeoutforlunch.Youmayborrowthebooksolongasyoukeepitclean.SofarasIknow(據(jù)我所知),hewillbeawayforthreemonths.Youcangoswimmingoncond
7、itionthat(=if)youdon’tgotoofarawayfromtheriverbank.Ifhehadcomeafewminutesearlier,hecouldhaveseenher.(七)讓步狀語(yǔ)從句讓步狀語(yǔ)從句可由although,though,as,evenif(though),however,whatever,whether…or,nomatterwho(when,what,…)等引導(dǎo)。注意:as引導(dǎo)的讓步狀語(yǔ)從句一般是倒裝的。e.g.Thoughheisachild,heknowsalot
8、.Childasheis,heknowsalot.Whatever(=Nomatterwhat)yousay,I’llneverchangemymind.(八)方式狀語(yǔ)從句方式狀語(yǔ)從句常由as,asif(though),theway,ratherthan等引導(dǎo)。e.g.YoumustdotheexerciseasIshowyou.Heactedasifnot