构词法(课本讲解和练习).ppt

Affixation General introductionClassify wordsCompounding (有两个或更多的词 合成一个词) Derivation introduction (在词根上加上前、后缀构 成另外一个词)prefix suffixConversion (将一种词性转化成另 一种词性)合成词(有两个或更多的词合成一个词):转化词(将一种词性转化成另一种词性):派生词(在词根上加上前、后缀构成另外一个词):blackboard spaceshiphalf-understandfirst-class man-made good-lookingsometimes beforehand加前缀：happy --- ___happy 加后缀： develop --- develop_______既加前缀又加后缀：employ ---____employ_____unmentunment派生词派生词（（derivationderivation））1. 前缀:pre-pre-reading, preview, prepayre-rewrite, reconsider, reuse（前）(重新)dis- (不)disagree , dislike , disappearmisunderstand, misleadmis –(错误或失当)miniskirt, minibussupermarket, supermansuper- (超级)mini-(微小)in/im- (不)incorrect impossibleforetell, forecastpost-(之后)postwar, post-readingfore-(前，预先)semicircle, semi-finalsemi-(半，部分 )antiwar, anti-Japanese waranti- (阻止，抗)underground, under-developunder- (在…… 下, 在……中)2. 常见的后缀1). 名词后缀 ：-er-or-tion-mentteacher, workervisitor, sailor education, satisfactiondevelopment, movement-ity -ist -hood -ionability, possibility pianist, artist childhood, brotherhood action, solution, conclusion2).形容词后缀:-ous-ful-able, -ible-ant, -ent-arydangerous, humoroushelpful, carefulcomfortable, responsible important, excellent military, voluntary3). 副词性的词缀:-ly-wardsquickly, softly, yearlybackwards, forwardstasten. 味道v.尝起来It has a good taste.It taste very good.record n.记录v. 记录He broke the record.He lies to record something while reading a book.1. Write the opposite of each of the following words on the line.agree _______ lucky _______complete ______ able ________correct _________ polite _______patient ________ regular _______appear _______ trust _________ disagreeunluckyincompleteunableincorrectimpoliteimpatientirregulardisappeardistrustorder _______ honest _______possible ______ visible ________perfect _________disorderdishonestimpossibleinvisibleimperfect2. Add suffixes to the following words to form nouns.Verb Noun punishprotectdecidemovepunishmentprotectiondecisionmovementAdjective Noun friendlysickcarelesslazyfriendliness sicknesscarelessnesslazinessNoun Noun novelviolinartpianonovelistviolistartistpianist。