词根词缀构词法(1)精选课件.ppt
关于词根词缀构词法(1)第一页，本课件共有28页常 见 单 词 记 忆 方 法趣味谐音法ambulance(俺不能死)VS ponderous(胖得要死)ambition(雄心壮志)VS stubborn(顽固的)petVSpest第二页，本课件共有28页开音节：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 展第三页，本课件共有28页-sion-tionnimpressionnation-sion(在元音字母后)nvisiondecisionoccasion-tion在s后tnquestionsuggestion-surepleasuremeasure-turetpictureculture 常见字母组合及其发音：单 词 记 忆 方 法第四页，本课件共有28页祝贺国籍建筑物冰箱单 词 记 忆 方 法 大家拼拼看congratulationnationalityconstructionrefrigerator第五页，本课件共有28页单 词 记 忆 方 法 归类记忆法 ball games:basketball(篮球),football(英)/soccer(美)足球,volleyball(排球),tennis(网球),table tennis(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)第六页，本课件共有28页近义词对比记忆法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第七页，本课件共有28页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.)第八页，本课件共有28页词 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 缀第九页，本课件共有28页前 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第十页，本课件共有28页常 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,nobodydislike dishonestmis-n-,no-,non-第十一页，本课件共有28页 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”第十二页，本课件共有28页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 练习第十三页，本课件共有28页 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.第十四页，本课件共有28页前 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第十五页，本课件共有28页 根据句意用所给单词的适当形式填空1.Its _(possible)for us to pass the exam if we dontrevise before.2.-Have you _(never)been to Hongkong?-Yes,I have been there twice._4._(either)of them knows where it is.They are new here.5.I am sorry I _(take)you as John.前 缀 练 习impossilbeever3.WTO is aninternational(national)organization.Neithermistake第十六页，本课件共有28页后 缀名词后缀形容词后缀副词后缀动词后缀后缀改变词性第十七页，本课件共有28页1.-or vs -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.I want to be a _ when I grow up.(chemistry)2.My father is a_(bank),my mother is a _(piano)and I am a _(study).studentchemistbanker pianist第十八页，本课件共有28页-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.I come from Australia,but I am not an _.I am a_(canada).2.The _ is so strick that all the_ are afraidof him.(interview).employer，interviewer，examineremployee,interviewee，examineeactress,hostess,manageressAustralianCanadianinterviewer interviewees第十九页，本课件共有28页 -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”-ment vs-ing 动作名词 -ment -inggoodness,kindness,tirednesshardship,membership,friendshipchildhood,manhood,neighbourhoodmovement,judgment,punishmentbuilding,writing,learning第二十页，本课件共有28页-ous 充分的dangerous,generous,courageous常 见 形 容 词 后 缀1.-ful vs-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.She likes reading books and she is_.dangerous3.Our teacher Mr.Wang is _ and he takes goodcare of us.fatherly第二十一页，本课件共有28页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,upwards第二十二页，本课件共有28页1.-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.We should spare no effort to beautifyour environment.2.Malnutrition(营养不良)obviously weaken the patient.3.That will simplify my task.第二十三页，本课件共有28页后 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,第二十四页，本课件共有28页A.sadlyB.sadnessC.saddenD.sad2.How_ he is!He is always acting_.He is really a _.A.foolish；foolishly；foolB.fool；foolish；foolC.foolish；fool；foolD.foolishly；foolish；fool总 练 习1.The child looked_at his brother who was badly wounded.AA第二十五页，本课件共有28页2.He was the best _ in todays football match.(play)_3.We want _ reasons for your failure to help.(satisfy)4.She hoped that her son would become a _.(piano)5.Thank you for your _.(kind)6.When in Rome,do as the _do.(Rome)7.Please give me some reference work.It will _ my task.(simple)总 练 习1.It snowed heavily last night.(heavy)playersatisfyingpianistkindnessRomanssimplify第二十六页，本课件共有28页养成良好记单词习惯Step 1：遵循记忆曲线。Step 2：充分利用零散时间。Step 3：“记”与“用”同步进行。第二十七页，本课件共有28页12.12.2022感谢大家观看第二十八页，本课件共有28页
