高中英语构词法课件

高中英语构词法精品课件downbytheriversidedownbytheriversideilaidmyburdensdownnowi'mtravelinglightmyspiritliftedhighifoundmyfreedomnowandi'mtravelinglightthroughthedarkestalleysandloneliestvalleysiwasdraggingthoseheavychainsofdoubtandfearthenwiththeonewordspokenthelockswerebrokennowhe'sleadingmetoplaceswheretherearenotearsdownbytheriversideilaidmyburdensdownnowi'mtravelinglightmyspiritliftedhighifoundmyfreedomnowandi'mtravelinglightIndexGeneralintroductionClassifywordspounding(有两个或更多得词合成一个词)Derivationintroduction(在词根上加上前、后缀构成另外一个词)prefixsuffixConversion(将一种词性转化成另一种词性)PracticeClassify:pathwayfreedomdarkestplaceFrustrationlockeverydayriversideloneliest合成词(有两个或更多得词合成一个词):转化词(将一种词性转化成另一种词性):派生词(在词根上加上前、后缀构成另外一个词):everydaypathwayriversidefrustrationdarkestloneliestfreedomlockplace构词法构词法:合成(pounding)派生法(Derivation)

【前缀/后缀】转化法(Conversion)

【词性转换】{合成(pounding)blackboardspaceshiphalf-understandfirst-classman-madegood-lookingsometimesbeforehand加前缀:

happy---___happy

加后缀:

develop---develop_______既加前缀又加后缀:

employ---____employ_______unmentunment派生词(derivation)

派生法(Derivation)---词缀法1、前缀:Pre-Pre-reading,preview,prepayRe-Rewrite,reconsider,reuse(前)(重新)dis-(不)disagree,dislike,disappearmisunderstand,misleadmis–(错误或失当)miniskirt,minibussupermarket,supermansuper-(超级)mini-(微小)in/im-(不)incorrectimpossibleforetell,forecastpost–(之后)postwar,post-readingfore-(前,预先)semicircle,semi-finalsemi-(半,部分)antiwar,anti-Japanesewaranti-(阻止,抗)underground,under-developunder-(在……下,在……中)常见得后缀1、名词后缀:-er-or-tion-ment-ity-ist-hood

-ionwork,educate,develop,visit,satisfy,teach,sail,ability,piano,art,child,brother,act,solute,conclude,move,possible大家学习辛苦了，还是要坚持继续保持安静常见得后缀1、名词后缀:-er-or-tion-mentteacher,workervisitor,sailoreducation,satisfactiondevelopment,movement-ity-ist-hood-ion名词后缀:ability,possibilitypianist,artistchildhood,brotherhood

action,solution,conclusion常见得后缀2、形容词后缀:-ous-ful-able,-ible-ant,-ent-arydangerous,humoroushelpful,carefulfortable,responsibleimportant,excellentmilitary,voluntary3、

副词性得词缀:-ly-wardsquickly,softly,yearly

backwards,forwards转化法(Conversion)tasten.味道v.尝起来{Ithasagoodtaste、Ittasteverygood、record

n、记录v、记录{Hebroketherecord、Heliestorecordsomethingwhilereadingabook、correctcorrectionincorrectindependentdependdependabledisabledisabilityimpossiblepossiblepossibilitywrongmistakenmistakemisunderstandunderstandundergraduategraduategraduationn、反义独立得词根adj、残疾得n、不可能得n、反义n、误解词根大学生词根n、近义反义WordsBuildingcorrectn、反义独立得词根adj、残疾得n、不可能得n、反义n、误解词根大学生词根n、近义反义WordsBuildingcorrectcorrectionincorrectindependentdependdependabledisable

disabilityimpossiblepossiblepossibilityexpressioneducationwrongmistakenmistakemisunderstandunderstandundergroundundergraduategraduategraduationunderwaysubwaysubtitlealwayssidewaysn教育

表达O独立得rootadj残疾得n不可能得OnSSn误解root大学生rootn地下得地下通道地铁副标题总就是英语构词法

–前缀(1)掌握一些英语构词法,对单词得记忆与理解有很大得帮助,下面笔者列举一些常用得词缀与词根。

常见得前缀

1、表示否定意义得前缀

1)

纯否定前缀a-,an-,asymmetry(不对称)anhydrous(无水得)dis-dishonest,dislikein-,ig-,il,im,ir,incapable,inability,ignoble,impossible,immoral,illegal,irregularne-,n-,none,neither,nevernon-,noesenseneg-,neglectun-unable,unemployment2)

表示错误得意义

male-,mal-,malfunction,maladjustment(失调)mis-,mistake,misleadpseudo-,pseudonym(假名),pseudoscience3)

表示反动作得意思

de-,defend,demodulation(解调)dis-,disarm,disconnectun-,unload,uncover

4)

表示相反,相互对立意思

anti-,ant-antiknock(防震),antiforeign,(排外得)contra-,contre-,contro-,contradiction,controflow(逆流)counter-,counterreaction,counterbalanceob-,oc-,of-,op-,object,oppose,occupywith-,withdraw,withstand2、表示空间位置,方向关系得前缀

1)

a-表示“在……之上”,“向……”aboard,aside,2)

by-表示“附近,邻近,边侧”

bypath,bypass(弯路)3)

circum-,circu-,表示“周围,环绕,回转”,circumstance,circuit2、表示空间位置,方向关系得前缀4)

de-,表示“在下,向下”descend,degrade5)

en-,表示“在内,进入”encage,enbed(上床)6)

ex-,ec-,es-,表示“外部,外”exit,eclipse,expand,export2、表示空间位置,方向关系得前缀7)

extra-,表示“额外”

extraction(提取)8)

fore-表示“在前面”

forehead,foreground9)

in-,il-,im-,ir-,

表示