中考英语一轮复习之派生词课件

派生词语法模块：构词法----派生词101派生词Sheisveryhappy.Sheisunhappy.Whyareyouso

careless?Pleasebecareful!happyunhappy.uncare+ful

carefulcare+lesscareless派生词

派生词是在一个单词前面加前缀或后面加

后缀构成新词。

前缀

会引起词义的变化，有相当一部分可构成反义词。

后缀不仅能改变词义，也能改变词性。派生词

否定前缀其它前缀名词后缀动词后缀形容词后缀副词后缀后缀前缀前缀

前缀表示否定和相反意义的前缀

不，无，非误，错un-dis-im-

in-mis-happy-unhappy

like-dislike

able-unable

agree-disagree

possible-impossible

polite-impolite

active-inactive

correct-incorrect

read-misreadunderstand-misunderstand表示其它的前缀

(1)增加意义market+supersupermarket(超级市场)bus+miniminibus(微型车)(2)改变词性en+richenrich使富裕be+littlebelittle小看，贬低用所给词的适当形式填空1.I___________________(like)him.Becauseheistooimpolite.2Everything

is________________.（一切皆有可能）3.Wehavedifferentopinions,soI____________withyou.ButIthinkwecanreachan__________________(agree).dislikepossibleagreementdisagree名词后缀种类繁多，可表人，物，地点，行为，性质，身份，地位，制度等.后缀例

子-or/er

-ist-(i)an-ese

-ressdriveractoractressdentistscientistwaiterCanadianartistChineseAmericanmusicianwaitressJapanese名词后缀happinessaction/decision/educationdiscussionshyness/sadnessgovernmentdevelopment2.-ment,-ness,-sion/tion后缀例

子-ment

-ness-tion/-sion1.Theydiscussedthe____________________(develop)ofscience.2.The____________(teach)tellsustostudyhard.3.Mybrotherisan________________(art),he

drawsverywell.developmentteacherartist形容词的常用后缀表示事物具有的性质，状态。后缀例

子-y-ful

-less(否定)

rainyusefulwindyhelpfulsnowycolorfuluselesshelplesshomeless副词的常用后缀表示状态，方向，方式后缀例

子-ly-s

reallyoutdoorscomfortablyindoorsexactly综合训练politemedicineactrainuse1.Itis____________________outside.We'dbetternotgoout.2.Idon'tneeditanymorebecauseit's____________________.3.Itis

_____________to

spitinpublic.4.Chinese____________________ispopularinmanywesterncountrie