词根词缀构词法

词根词缀构词法常见单词记忆方法趣味谐音法ambulance(俺不能死)VSponderous(胖得要死)ambition(雄心壮志)VSstubborn(顽固的)petVSpest••••开音节：a)辅音+元音+辅音+e:name,shineb)辅音+元音:go,hi,be闭音节：a)辅音+元音+辅音:bad,sitb)元音+辅音:of,up常见单词记忆方法音标记忆法利用特定字母或字母组合发音规律，掌握单词拼读规则•a、e、i、o、u在开音节中发字母音；•在闭音节中发音如下：a-/æ/、e-/e/、i-/i/、o-/ɔ/、u-/Λ/。小拓展-sion-tion[∫ən]impressionnation-sion(在元音字母后)[ʒən]visiondecisionoccasion-tion在s后[tʃən]questionsuggestion-sure[ʒə]pleasuremeasure-ture[tʃə]pictureculture•常见字母组合及其发音：单词记忆方法祝贺国籍建筑物冰箱单词记忆方法•大家拼拼看congratulationnationalityconstructionrefrigerator单词记忆方法•归类记忆法•ballgames:basketball(篮球),football(英)/soccer(美)足球,volleyball(排球),tennis(网球),tabletennis(乒乓球),baseball(棒球),badminton羽毛球,hockey(曲棍球),golf(高尔夫球)，softball(垒球),cricket(板球)近义词对比记忆法arrive/get/reach反义词对比记忆法borrow/lend同音异义词对比记忆法pear/pair形近词对比记忆法brother-botheradapt-adoptbrief-grief-relief对比记忆法单词记忆方法利用单词间的特定关系联想记忆pointappoint（v.任命，约定）appointmentappointed（adj.指定的，约定的）（n.约会，任命）disappoint发散思维训练disappointment（n.失望）（v.使......失望）disappointed（adj.感到失望的）disappointing（adj.令人感到......)词根词缀构词法•词根：英语单词的核心部分，决定词义•词缀：加在词根的前面或者后面，改变词根的词性或词义，分为前缀和后缀appoint---disappoint----disappointment•词根可以单独成词，也可以加上前缀或者后缀成为新的单词词根vs词缀前缀•••否定前缀时间/空间前缀数量前缀•特殊前缀前缀改变词义常见前缀-否定前缀•dis-•in-,im-,ir-,un-invisible,impossible,irregular,unluckyEXERCISE（找出前缀）1.mistake,mislead2.none,nonsense,nobodydislikedishonestmis-n-,no-,non-•fore-forehead,foresightpre-表示在前”在前面”preface,preposition•international,internetinter-表示“在……间，相互”常见前缀-时间/空间前缀表示“在前面”out-“在外部，在外”outside,outlookunder-“在…下面，下的”underground,underwatermid-“中，中间”midnight,Mid-Autumnre-“再一次，重新”retell,rewriteex-“先，故，旧”ex-president,ex-husband时间/空间前缀练习•enslave,enable,enrich前缀改变词义，en-特殊要注意常见前缀-数量前缀•你猜猜看？•uniform,kilometer,multinational,unique，kilogram,multiculturaluni-单一,唯一kilo-千multi-许多另类记忆•en-使......前缀练习•单词归类kilometer/underestimate/midsummer/disability/unemployment/misarrange/incomplate/interact/never/outside/revise/uniform/ex-husband/multinational带有否定前缀的词：带有时间和空间前缀的词：带有数量前缀的词：disability，unemployment，misarrange，incomplate，neverunderestimate，midsummer，interact，outside，revise，ex-husbandkilometer，uniform，multinational•根据句意用所给单词的适当形式填空1.It's_________(possible)forustopasstheexamifwedon'trevisebefore.2.--Haveyou____(never)beentoHongkong?--Yes,Ihavebeentheretwice._________4._____(either)ofthemknowswhereitis.Theyarenewhere.5.IamsorryI_______(take)youasJohn.前缀练习impossilbeever3.WTOisaninternational(national)organization.Neithermistake后缀名词后缀形容词后缀副词后缀动词后缀后缀改变词性1.-orvs-er表示从事...职业的人teacher,actor,banker•-ant/-ent也是表示从事...职业的人servant,student【对比】：-ist表示从事……研究者（专业性）pianist,dentist,chemist常见名词后缀-人物篇Exercise：1.Iwanttobea_________whenIgrowup.(chemistry)2.Myfatherisa________(bank),mymotherisa_______(piano)andIama________(study).studentchemistbankerpianist-n,-ian-eseAmerican,Canadian,AustralianJanpanese,Chinese3.主动与被动-er，表示动作发出者-ee,表示动作承受者4.女性的权利----ess常见名词后缀-人物篇2.某国人1.IcomefromAustralia,butIamnotan___________.Iama________(canada).2.The__________issostrickthatallthe____________areafraidofhim.(interview).employer，interviewer，examineremployee,interviewee，examineeactress,hostess,manageressAustralianCanadianinterviewerinterviewees•-ness•-ship•-hood常见名词后缀-抽象名词篇-ness&-ship&-hood“情况，性质，身份，状态”-mentvs-ing动作名词•-ment•-inggoodness,kindness,tirednesshardship,membership,friendshipchildhood,manhood,neighbourhoodmovement,judgment,punishmentbuilding,writing,learning-ous充分的dangerous,generous,courageous常见形容词后缀1.-fulvs-less反义词后缀careful-careless2.-ish具有相同...特征的foolish,bookish,selfish-ly像...一样manly,fatherly,motherly3.-ing令人...的-ed(人)感到...4.-able可...interesiting,excitinginterested,excitedmovable,erasable,changeablebookish1.Shelikesreadingbooksandsheis_________.dangerous3.OurteacherMr.Wangis_________andhetakesgoodcareofus.fatherly变化规则范围变化规则例词大部分形容词加lyquiet----quietly以le结尾的形容词变e为ypossible----possibly（初中阶段唯一一个需要去掉字母e的单词：true----truly）以辅音加y结尾的形容词变y为ilyhealthy----healthily常见副词后缀1.-ly形容词+ly=副词2.-wards方位副词的后缀downwards,upwards1.-fy,-ize,-ise,使...化，...化modernize，beautify，simplify2.-en,表示使成为，使有”quicken,weaken,soften,harden常见动词后缀1.Weshouldsparenoefforttobeautifyourenvironment.2.Malnutrition(营养不良)obviouslyweakenthepatient.3.Thatwillsimplifymytask.后缀练习•单词归类weaken,neighbourhood,hardship,generous,actor,simplify,movableexaminee,building,truly,awful,modernize,artist,tiredness,upwards,motherly,selfish,movement,German,hostess,exciting,effortless带有形容词后缀的词:带有名词后缀的词:neighbourhood,neighbourhood,hardship,actor,examinee,building,artist,tireness,movement,German,hostessgenerous,movable,awful,motherly,selffish,exciting,effortless带有副词后缀的词:truly,upwards,带有动词后缀的词:weaken,simplify,moderize,A.sadlyB.sadnessC.saddenD.sad2.How___heis!Heisalwaysacting____.Heisreallya____.A.foolish；foolishly；foolB.fool；foolish；foolC.foolish；fool；foolD.foolishly；foolish；fool总练习1.Thechildlooked___athisbrotherwhowasbadlywounded.AA2.Hewasthebest_______intoday’sfootballmatch.(play)_____3.Wewant_______reasonsforyourfailuretohelp.(satisfy)4.Shehopedthathersonwouldbecomea_______.(piano)5.Thankyouforyour_________.(kind)6.WheninRome,doasthe_______do.(Rome)7.Pleasegivemesomereferencework.Itwill______mytask.(simpl