Worth,worthy,worthwhile-用法区别最详细讲解.ppt

Worth,worthy,worthwhile用法区别,1.worth,(1).作表语形容词+doing(主动形式表被动意义）、名词或“数词+名词”。可以用形式主语it。在句中多作表语。Eg.Workisworthdoingifworthdoingwell.ThomasCarlyle.一件事如果值得做好，就值得去做。-卡莱尔（英国史学家）Allthesplendour(荣华富贵）intheworldisnotworthagoodfriend.Amanwhoknowstwolanguagesisworthtwomen.,(2).可用作后置定语Eg.Thatisapieceoflandworth4500.(3).不能当动词用Itdoesnotworthapenny.(4).可用作名词Whenthewellisdry,weknowtheworthofwater.-Franklin(美国富兰克林）井水枯竭之时，方知水的可贵。Afriendisagift,whoseworthcannotbemeasuredexceptbyheart.Bible朋友是份厚礼，它的价值只有心灵才能深深地感知。-圣经,Worthless(无价值的）worth,worthwhileInfact,moneyaloneisalmostworthless.,2.worthwhile,(1).作表语时，可写作worthwhile,中间可插入物主代词。+vingortodo.句首可用形式主语it.Eg.Itisworthwhilevisiting/tovisitParis.Theresearchworkisworthourwhile.Theseresultswerenotworthwhile.,(2).作定语时，可写作worthwhile,Eg.Theonlyworthwhileachievementsofmanarethosewhicharesociallyuseful.Onlyalifelivedforothersisalifeworthwhile.AlbertEinstein.,3.Worthyof,(1).作表语：不能用it作形式主语。后面要接被动语态，a.+不定式tobedone；b.+被动动名词beingdone；c.+具有被动意义的动作名词；d.+主动态不定式作状语Eg.a.Thisarticleisworthytobewritten.B.Thisgrammarbookisworthyofbeingread.C.Hisbehaviorisworthyofpraise.D.Heisworthytoreceivesuchanhonor.,(2)作定语A.worthy作前置定语Eg.Theworthy（可敬的）gentlemancouldteventellwheatfrombarley.(大麦）B.of作后置定语Eg.Thescientistisamanworthyofthehonor.,他的建议值得考虑。1.Hissuggestionisworthourconsideration.2.Hissuggestionis(well)worthconsidering.3.Itisworthconsideringhissuggestion.4.Hissuggestionisworthyofconsideration.,5.Hissuggestionisworthytobeconsidered.6.Hissuggestionisworthyofbeingconsidered.7.Itisworthwhileconsideringhissuggestion.8.Itisworthwhiletoconsiderhissuggestion.9.T