初高中衔接第二课构词法

Grammar构词法(WordFormation)二、转化法（Conversion）tastev.尝起来n.味道{Ithasagoodtaste.Ittastesverygood.handn.手v.递送{Wealwayswalkhandinhand.Please

hand

methebook.1.动词转化为名词2.名词转化为动词二、转化法（Conversion）wrongadj.错误的n.错的事{Thereissomethingwrongwiththecar.Hedidn’tknowthedifferencebetweenrightandwrong.clean{adj.干净v.清扫Pleasekeeptidyandclean.Youhavetocleantheblackboardafterclass.3.形容词转化为动词4.形容词转化为名词1.JimdreamsofbeingthebestfootballplayerinEngland.2.Pleasestophere,anditisthebusstop.3.Thecoachwasquestioningtheteammembersabouttheirpracticeconditions.4.Who’sguardingthatbuilding?5.Thecarsloweddowntohalfitsspeed.6.Don’tusetoocoldwatertowaterflowers.7.Theoldinourvillagearelivingahappylife.

三、派生法Derivation派生法前缀后缀名词后缀形容词后缀副词后缀动词后缀否定前缀其他前缀数词后缀加前缀：

happy---

___happy

加后缀：

develop---

develop_______既加前缀又加后缀：

employ---____employ_______unmentunment1.派生词（derivation）

三、派生法DerivationDerivation:

1)前缀:

(1)dis-:disagree,dislike,disappear(2)in-(il-,im-,ir-):

incorrect,

impossible,irregular,(3)un-:

unhappy,unable,unfit,(4)non-:

nonstop,nonverbal(非语言的)(5)re-:

rewrite,review三、派生法Derivation

2)后缀:

(1)构成名词：

(2)构成动词:(3)构成形容词:(4)构成副词:(5)构成数词:

-er,-ese,-ist,-ian,-ment,-tion,-ness,-th.

buyer,Chinese,socialist,musician，agreement,collection,illness,truth

-al,-an,-ful,-ing,-y,-less

national,American,careful,exciting,cloudy,useless-fy,-is(z)e

beautify,realize-ly

badly-teen,-ty,-th

thirteen,sixty,twelfth

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,不引起词义变化三、派生法DerivationGuessthemeaningoftheunderlinedwords1.Manycountriesimportmostoftheoiltheyuse.2.Hestudiedbiophysicsatcollege.3.Itisveryimportanttolearnhowto

cooperatewithothers.4.Allyourluggagewillbetransportedtothedestinationbytrain.5.Mycousinhasanexcellentvoice.Herdreamistobecomeasuperstar.

进口

生命物理

合作

运输明星构词法专练1.给下列单词加上前缀dis-,un-,in-或im-,构成意思相反的词。1）agree_______ 2）complete_________3）healthy________4）important________5）able_______ 6）cover_________7）known_______ 8）practical_________9）tidy_______ 10）perfect_________11）visible_______ 12）fit_________disagree incompleteunhealthyunimportantunablediscover/uncoverunknownimpracticaluntidyimperfectinvisibleunfit

rain(形容词)________agree(反义)__________nation(形容词)_______farm(人)__________recent(副词)________friend(形容词)________hope(形容词)_______back(形容词)_________visit(名词)__________home(形容词)________eight(序数词)________true(名词)___________America(形容词)_______China(形容词)________2.按括号内的要求改写下列单词rainynationalrecentlyhopefu