《词根词缀构词法》PPT课件.ppt

,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),pet,VS,pest,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-/、e-/e/、i-/i/、o-/、u-/。小拓展,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),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,point,appoint（v.任命，约定）,appointment,appointed（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,nobody,dislikedishonest,mis-n-,no-,non-,fore-,forehead,foresightpre-表示在前”在前面”preface,prepositioninternational,internetinter-表示“在间，相互”,常见前缀-时间/空间前缀,表示“在前面”,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，never,underestimate，midsummer，interact，outside，revise，,ex-husband,kilometer，uniform，multinational,根据句意用所给单词的适当形式填空,1.Its_(possible)forustopasstheexamifwedont,revisebefore.,2.-Haveyou_(never)beentoHongkong?,-Yes,Ihavebeentheretwice.,_,4._(either)ofthemknowswhereitis.Theyarenewhere.5.IamsorryI_(take)youasJohn.,前缀练习,impossilbe,ever,3.WTOisaninternational(national)organization.,Neither,mistake,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).,student,chemist,bankerpianist,-n,-ian-ese,American,Canadian,AustralianJanpanese,Chinese,3.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,manageress,Australian,Canadian,interviewerinterviewees,-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-ing,goodness,kindness,tirednesshardship,membership,friendshipchildhood,manhood,neighbourhood,movement,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-careless,2.-ish,具有相同.特征的foolish,bookish,selfish,-ly,像.一样,manly,fatherly,motherly,3.-ing令人.的-ed(人)感到.4.-able可.,interesiting,excitinginterested,excitedmovable,erasable,changeable,bookish,1.Shelikesreadingbooksandsheis_.dangerous3.OurteacherMr.Wangis_andhetakesgoodcareofus.,fatherly,常见副词后缀1.-ly形容词+ly=副词,2.-wards方位副词的后缀,downwards,upwards,1.-fy,-ize,-ise,使.化，.化,modernize，beautify，simplify,2.-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,hostess,generous,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.sadly,B.sadness,C.sadden,D.sad,2.How_heis!Heisalwaysacting_.Heisreallya_.A.foolish；foolishly；foolB.fool；foolish；foolC.foolish；fool；foolD.foolishly；foolish；fool,总练习1.Thechildlooked_athisbrotherwhowasbadlywounded.,A,A,2.Hewasthebest_intodaysfootballmatch.(play),_,3.Wewant_reasonsforyourfailuretohelp.(satisfy)4.Shehopedthathersonwouldbecomea_.(piano)5.Thankyouforyour_.(kind),6.WheninRo