资源描述：
《word-formation.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、Wordformationbus-driver=bus+driverdowntown=down+townnewspaper=news+papercowboy=cow+boyObservation1Canyoufindsomethingincommon?Canyoufindoutmoresimilarexamples?ConclusionWord-formation(1)SomeEnglishwordsaremadebyjoiningtwowordstogether,sometimeswithahyphen“-”ort
2、wo.ThisiscalledCompounding(合成).hard-workingpeace-lovingstate-ownedwell-knownsightseeingbloodthirstybankaccountbraindrainIneedsomewater.Pleasewatertheflowers2.Theclassroomisveryclean.Pleasecleantheclassroom.3.Givemeahand,willyou?Pleasehandinyourpaperafterclass.O
3、bservation2thepartofSpeechWord-formation(2)SomeEnglishwordsaremadebychangingthePartofSpeechofawordyouknow.ThisiscalledConversion(转化).Conclusion2常见的转化形式两种：动词---名词名词---动词动词---名词stopvt.停止---n.车站lovevt.爱---n.爱watchvt.观看---n.手表recordvt.录音---n.纪录combvt.梳理(头发)--n.梳子ab
4、usevt.辱骂---n.辱骂名词----动词handn.手--vt.上交seatn.座位--vt.坐nursen.护士--vt.护理oiln.油--vt.上油timen.时间--vt.定时,测时shouldern.肩膀--vt.肩负minen.矿山--vt.开矿barbecuen.烧烤--vt.在烤架上烤shipn.船---vt.用船装运financen.金融---vt.为……提供资金stainn.污点,污迹---vt.玷污，污染draftn.草稿---vt.起草headn.头---v.前进transportn.运
5、输---vt.运输VerbAdjectiveNounweakenstrengthenbeautifydigestbalanceamazeweakweaknessstrongstrengthbeautifulbeautydigestivedigestionbalancedbalanceamazingamazementObservation3ConclusionWord-formation(3)SomeEnglishwordsaremadebychangingtheformofawordyouknow–addingsom
6、eletterstothebeginningortheendofaword.ThisiscalledDerivation(派生).派生:是通过在词根上加前缀或者后缀构成一个新词。happy---unhappydevelop---development前缀一般只引起意思上的变化而不造成词类的变化，只有少数能引起词类的变化。mis-错误的+understandv.理解---misunderstandv.误解en+largeadj.大的---enlargev.扩大后缀一般只引起词性上的变化而不造成意思的变化。carev.照
7、料---carefuladj.细心的workv.工作---workern.工人1)表示否定的前缀：un-unfair,unhappynon-nonsmoker(常用在n.adj.adv.前)in-inactive,inhuman,indirect(常用在adj.前)dis-disagree,disappearim-impolite,impossible(用在b,p,m开头的词前)il-illegalir-irreal,irregular常见的前缀2).表示错误或失当的前缀:mis–misjudge,mislead(误
8、导)3).表示向背的前缀:pro-(亲，支持)pro-Chinesepro-Americananti-（阻止，抗）antiwar,anti-Japanesewar(4).表示程度、大小的前缀super-superstar,supermarket,superman,superpowerover-overcook,overeat,overusemi
