词根词缀构词法ppt课件.ppt

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1、,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) VS ponderous(胖得要死)ambition (雄心壮志) VS stubborn (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-/

2、。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 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

3、 (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-disap

4、pointment, 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,dislike dishonest,mis-n-, no-, non-, fore-,forehead, foresightpre-表示在前”在前面” pre

5、face, preposition international, 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/underestim

6、ate/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

7、, 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 dont,revise 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,impossilbe,ever,3.WTO is aninternatio

8、nal(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.-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_(

9、bank) , my mother is a _(piano)and I am a _ (study).,student,chemist,banker pianist,-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.I come from Australia,but I am not an _. I am a_(canada).2. The _ is so strick that al

10、l the_ are afraidof him.(interview).,employer，interviewer，examineremployee, interviewee，examineeactress, hostess, manageress,Australian,Canadian,interviewer interviewees, -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 -ing,goodness, kindness, tiredn

11、esshardship, membership, friendshipchildhood, manhood,neighbourhood,movement, judgment, punishmentbuilding, writing, learning,-ous 充分的,dangerous, generous, courageous,常 见 形 容 词 后 缀1. -ful vs -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.

12、-ing 令人.的-ed (人)感到.4.-able 可.,interesiting, excitinginterested, excitedmovable, erasable, changeable,bookish,1.She likes reading books and she is_.dangerous3.Our teacher Mr.Wang is _ and he takes goodcare of us.,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, -is

13、e, 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.We should spare no effort to beautifyour environment.,2.Malnutrition(营养不良) obviously weaken the patient.,3.That will simplify my task.,后 缀 练 习, 单词归类,weaken, neighbourhood, hardship, generous, actor,

14、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,

15、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_ 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 lo

16、oked_at his brother who was badly wounded.,A,A,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),player,satisfying,pianist,kindness,Romans,simplify,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。,