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Ifyoumeetthenewwordswhilereading,whatwillyoudo?•It’snotalwaysnecessarytounderstandthemeaningofeveryword,justgoonreading!•Guessthemeaning!Whenwedealwiththeproblemsinreadingcomprehension,wecanuseWordFormationtohelpus,butthecontext(上下文，语境)isalsoveryimportant.1.Iwillnotmakefriendswithadishonestperson.2.Whenthelittleboyfinished,hisfatherwasspeechless.3.Abad-lookingpickpocketstolemywallet.根据构词法猜词首先要熟悉基本的构词法及其规律,其次要掌握一定的词根和词缀。如:un-,im-,mis-,-less,-ness等。dis+honest不诚实的speech+less说不出话的pick+pocket扒手构词法(WordFormation)Takeaninterestingexample2017中考考英语总复习classschoolroomdeskplayworkteamsoul班级学校房间书桌玩工作队；组灵魂；心灵伙伴；同事；配偶classmateschoolmateroommatedeskmateplaymateworkmateteammatesoulmate同学校友室友同桌玩伴同事队友知音构词法--WordFormationCompounding--合成法space+ship——spaceshipDerivation--派生法able——unableConversion--转化法Water(n)——water(v)Abbreviation简缩写Doityourself=DIY1.Compounding--合成法由两个或两个以上的词合成一个新词classroomblackboardworldwidegood-lookingovercomefifty-foureverybodydownstairs黑板全世界的战胜每人教室好看的五十四楼下的Guessthemeaningofthecompoundingwords•snowman•greenhouse•washingmachine•blacktea•whitelie•kind-hearted•firefly•hide-and-seek雪人温室洗衣机红茶善意的谎言好心的萤火虫捉迷藏派生法--Derivation•在一个单词前面或后面加上一个词缀构成新词。•前缀—prefix•un-•dis-•re-词缀（affix）•后缀—suffix•-or/er•-y•-ful•-lessunun-不、非、表示否定happyunfriendly不开心的不友好地dis-不、非、表示否定dislikeagreewriteusereredisre-又、再、重新前缀-prefix不喜欢不同意重写重新使用or-or/er从事某种职业的人acterteach演员教师-y表性质，形容词后缀yhealthcloudrealfriendlylyy-ly形容词或副词后缀后缀-suffix健康的多云的，阴天的真实地友好的Derivation:1)前缀:(1)agree-like-appear-(2)correct-incorrect,possible-impossible,regular-irregular,(3)happy-unhappy,able-unable,fit-unfit,(4)stop-nonstop,verbal(语言的）-nonverbal(非语言的)(5)write-rewrite,view-reviewdisagreedislikedisappearful-ful充满，形容词后缀colorfulsuccess富有色彩的成功的-less没有、无，形容词后缀lesshomehopeless后缀-suffix无家可归的没有希望的，绝望的2)后缀:(1)构成名词：(2)构成形容词:(3)构成动词:(4)构成副词:(5)构成数词:-er,-ese,-ist,-ian,-ment,-tion,-ness,-th.-al,-an,-ful,-ing,-y,-less-fy,-is(z)e:beautify,realize-ly:badly-teen,-ty,-ththirteen,sixty,twelfth,fifthemployer,Chinese,socialist,musicianagreement,collection,illness,truthnational,American,careful,exciting,cloudy,useless3.Writeouttheoriginalwords.unchangeableadj._______dislikev.__________impossibilityn._________unfriendlyadj.__________overworkv.______________misunderstandingn.____________athleticadj.______________misreadv.________translatorn._____________changelikepossiblefriendworkunderstandathletereadtranslate转化法（Conversion）tasten.味道v.尝起来Ithasagoodtaste.Ittastesverygood.watern.水v.浇水havesomewater.watertheflowers一个单词由一种词类转换为另一种词类。3/8/2020181）名词——动词rainn.雨→rainv.下雨Shopn.商店→shopv.购物Landn.陆地→landv.着陆2）形容词——动词lastadj.最后的lastv.持续ownadj.自己的ownv.拥有3）形容词——名词backadj.后面的backn.背部，后面lightadj.明亮的lightn.灯4)动词→名词stopv.停止stopn车站liftv.举起liftn.电梯telephone---简写和缩写airplane---WC---CCTV---UFO---phone电话plane飞机waterclosetChinaCentralTelevisionunidentifiedflyingobject写出下列简写或缩写形式•Writedowntheabbrevationsexamination考试examphotography照片photolaboratory实验室labtelevision电视TVtoothtoothytoothedtoothachetoothbrushtoothpicktoothwashtoothlesstoothpaste牙疼露出牙齿的牙齿牙刷牙签牙膏无齿的有齿的、锯齿的洗牙运用构词法猜测词义sunflowerbasketballNBAfunnysingershowunusualhorse-ridingIDcardlightadsloweveryday合成词派生词转化词简写缩写词Homework:1、看英语构词法专题讲解并完成后面练习。2、从教材的单词表中找出合成词、派生词、转化词以及及简写和缩写词。