高二英语下学期unit-11-word-formation教学课件

Unit11wordformation

Unit11wordformation

英语主要有三种构词法:

1.派生(Derivation):

2.合成(Compounding):

3.转化(Conversion)

通过加前缀或后缀构成另外一个词:eg.happy----unhappy(加前缀)----happiness(加后缀)由两个或更多的词合成一个词

eg.wood(木)+cut(刻)----woodcut(木刻)由一个词类转化为另一个词类:eg.water(n.)水----water(v.)浇水英语主要有三种构词法:通过加前缀或后缀构internationaltelephonemankindbroadbandextremelymannedhi-teche-mailITCSAGRAMMAR:WordFormationinter-+nationaltele-

+phoneman+kindbroad+bandextreme+lyman+edhigh+technologyelectronic+mailinformationtechnologyChinese

Spaceagencyinternationalderivationprefixsuffixinternationaltelephoneextremelymannedcompoundhi-techITCSAe-schoolderivationprefixsuffixinternat

注意:前缀一般只改变词义,

不改变词类;

后缀一般只改变词类,不引起词义变化

注意:前缀一般只改变词义,

不改变词类;

inter--

international,interact,intercommunicate

tele–

telephone,telegraph,television

co—

coworker,cooperate

trans—

translate,transplant,transport

betweenfartogether常见前缀（改变词义)acrossinter--betweenfartogether常见前sub—

subway

bio—

biology,bioengineering,biophysics

e–

e-mail,e-school

un-/in-/im-/non-/dis-/il-unhappy,impolite,illegalunderoflifeelectronicnotsub—underoflifeelectronicnot

ex--

export,ex-wife

en--

enlarge,enable,enrich

mis--

misunderstand,mislead,misplace

re--repeat,rebuild,remarryout,formermakewrongagainex--out,formermakewrongagaiinter-tele-bio-ex-trans-en-mis-re-sub-

betweenfarbiology,lifeformer/outacross/movemakewrongagainunder

dis-non-il-in-im-un-notinter-常见后缀(改变词性）1.Fornounser/or-ist-ianness-tionment2.Forverbsendeepensharpenwiden3.Foradj.ful-lessous-ishable-ivey-ed4.Foradv.-ly常见后缀(改变词性）1.Fornounser/or1.______Manycountriesimportmostoftheoiltheyuse.2.______Hestudiedbiophysicsatcollege.3.______Itisveryimportanttolearnhowtocooperatewithothers.4.______Allyourluggagewillbe

transportedtothedestinationbytrain.5.______Mycousinhasanexcellentvoice.Herdreamistobecomea

superstar..进口

生命物理

合作运输

超级歌星1.______ManycountriesimportGuessthemeaningofeachunderlinedword.1.Theaverageoutputofthefactoryis20carsaday.2.Shehaswrittengoodessaysbefore,butthisoneissubstandard.output=out+put产量substandard=sub-+standard低于标准的，不够标准的Guessthemeaning1.Theaverag4.Thelackofacommonlanguagemadeitverydifficulttointercommunicate(witheachother).5.Transplanttheseedlingsintopeatysoil.6.Haveyoureadane-book?intercommunicate=inter-+communicate互相联系transplant=trans-+plant移植e-book=electronic+book电子图书intercommunicate=inter-+commun3.转化:是由一词类转化为另一词类⑴动词转化为名词

e.g.Wepaidavisittotheparkyesterday.注意:英语中常用give,take,have,make等词构成这一类词组,表示一个动作.如:giveashout,giveakick;haveaswim,haveasmoke;makeabet3.转化:是由一词类转化为另一词类⑴动词转化为名词(2).名词转化为动词e.gThehallcanseattwothousandpeople.Theyhavebookedtheirplaneticket.(3).形容词转化为动词

e.g.Thecarsloweddowntohalfitsspeed.Theroomgraduallyquieteddown.(2).名词转化为动词e.gThehallcans(4).形容词转化为副词e.g.Howlongistheline?HowlonghaveyoulivedinChina?

(5).形容词转化为名词e.g.Thereissomethingwrongwiththecar.Hedidn’tknowthedifferencebetweenrightandwrong.(n.)(4).形容词转化为副词e.g.HowlongBTWFTFICRUOKTHXbythewayfacetofaceIseeAreyouOK?thanksBTWbythewayExercise2-ion-ation

constructionconnectionattractionactioncollectiondirectionexpressioninventionproductionprotectionsuggestionimpressioncelebrationcommunicationeducationgraduationpollutioncontributionadmirationcombinationexaminationtransportationexplorationimaginationExercise2-ion-ationconstructioinvisible

non-conductordisappearance

interactionmisunderstanding

unexpecteddishonestyillogicalenlargement

unforgettable

impossibilityreplacementreconsideration

unsuccessfulExercise3.invisible