词根词缀课件

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,词汇篇,词根,词缀,1,词汇篇词根词缀1,“词根”“词缀”是什么？,单词由,词根,和,词缀,构成,词缀又分为,前缀,和,后缀,也就是说，单词一般由三部分组成：,词根、前缀和后缀,词根决定单词意思，前缀改变单词词义，后缀决定单词词性,2,“词根”“词缀”是什么？单词由词根和词缀构成词缀又分为前缀和,词根,常用词根（初阶）,1.,-equ-,相等的,equal,equable,equably,equability,equity,equitable,3,词根常用词根（初阶）1.-equ-相等的equal,equ,词根,常用词根（初阶）,2.,-medi-,mediate,intermediate,medieval,其他：,-centr-,-just-,-form-,.,4,词根常用词根（初阶）2.-medi-mediate,in,词根,常用词根（中阶）,1.,-civ-,公民,civil,civilian,civilize,recivilize,civilization,5,词根常用词根（中阶）1.-civ-公民civil,civi,词根,常用词根（中阶）,2.,-sim-,相同,similar,dissimilar,similarity,simultaneous,simultaneity,其他：,-electr-,-scrib-,-frig-,.,6,词根常用词根（中阶）2.-sim-相同similar,d,词根,常用词根（高阶）,1,.-dur-,持久,during,durable,duration,nondurable,7,词根常用词根（高阶）1.-dur-持久during dur,词根,常用词根（高阶）,2.,-leg-,法,legal,illegal,legislation,legistimate,其他：,-aer-,-fibr-,-al-,8,词根常用词根（高阶）2.-leg-法legal,ille,前缀,改变词义的前缀,有哪些呢？,表否定,表数字,表时间和次序,表尺寸,其他,9,前缀改变词义的前缀有哪些呢？表否定表数字表时间和次序表尺寸其,否定前缀,常见的,11,种,规律,im il ir,、,dis-,:disadvantage,disagree,in-,:incorrect,inaccurate,im-,:impossible,impolite,il-,:illegal,illiterate,ir-,:irregual,irresistable,un-,:unfinished,undoubtedly,non,:nonessential,nonexistence,mis-,:misunderstand,misfortune,dis-,:disappear,disconnect,anti-,:antisocial,counter-,:counteract,10,否定前缀常见的11种规律im il ir、dis-:dis,数字前缀,semi-,:semiconductor,semicircle,mono-,:monopoly,monochrome,bi-,:bilateral,bicolor,tri-,:triple,triangle,multi-,:multination,multimedia,11,数字前缀semi-:semiconductor,semi,时间次序前缀,pre-,:preface,preconception,pro-,:prologue,fore-,:forehead,foresee,ex-,:ex-president,ex-wife,post-,:postwar,12,时间次序前缀pre-:preface,preconcep,尺寸前缀,mini-:,miniature,miniskirt,micro-:,microwave,microscope,macro-:,macroworld,macrostructure,mega-:,megacity,megahertz,13,尺寸前缀mini-:miniature,miniskirt,常见的四种后缀,1.,名词性后缀,2.,形容词性后缀,3.,副词性后缀,4.,动词性后缀,14,常见的四种后缀1.名词性后缀2.形容词性后缀3.副词性,名词性后缀,1.-ion:occasion,division,2.-ist:specialist,biologist,3.-ment:experiment,measurement,4.-ness:darkness,hardness,5.-cy:infancy,accuracy,6.-ency/ancy:tendency,emegency,constancy,pregnancy,7.-logy:psychology,histology,8.-ty:capacity,similarity,15,名词性后缀1.-ion:occasion,divisi,形容词性后缀,1.-able:acceptable,available,2.-al:vocal,captial,3.-ant:significant,resistant,4.-ar:regular,muscular,5.-ary:ordinary,anniversary,6.-ent:consistent,efficient,7.-ful:useful,successful,16,形容词性后缀1.-able:acceptable,av,副词性后缀,1.-ly:likely,immediately,2.-ward:forward,backward,3:-wise:likewise,otherwise,17,副词性后缀1.-ly:likely,immediate,动词性后缀,1.-ate:accelerate,operate,2.-en:weaken,deepen,3.-ize:standardize,modernize,18,动词性后缀1.-ate:accelerate,oper,根据后缀辨别下列单词的词性,1.scientist 2.singer 3.conversation 4.beautiful,5.loudly 6.advertisement,7.government 8.yearly,9.instruction 10.careful 11.lively 12.safety,13.national 14.traditional 15.illness 16.wonderful,petition 18.information 19.successful 20.natural,21.usually,22.lovely 23.really 24.friendly,19,根据后缀辨别下列单词的词性1.scientist 2.s,