（连云港专版）2020中考英语复习方案第二篇语法专题突破语法专题09构词法课件.pptx

《（连云港专版）2020中考英语复习方案第二篇语法专题突破语法专题09构词法课件.pptx》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、语法专题（九）构词法第二篇　语法专题突破考点一　派生法英语构词法中在词根前面或后面加词缀,从而构成一个新词的方法叫作派生法。加在词根前的词缀叫前缀,加在词根后的词缀叫后缀。1.前缀(1)表否定意义的前缀前缀含义例词un-不happy→unhappy(不高兴的)friendly→unfriendly(不友好的)usual→unusual(不寻常的)able→unable(不能的)popular→unpopular(不流行的)前缀含义例词in-不active→inactive(不积极的)correct→incorrect(不正确的)expensive→inexpe

2、nsive(不贵的)im-不polite→impolite(不礼貌的)patient→impatient(没有耐心的)possible→impossible(不可能的)dis-不like→dislike(不喜欢)appear→disappear(消失)agree→disagree(不同意)non-不;非smoker→non-smoker(非吸烟者)human→non-human(非人类的)native→non-native(非母语的;非本地的)[续表](2)其他前缀含义例词mis-错误;失误understand→misunderstand(误解)lead→mi

3、slead(误导)behavior→misbehavior(行为不端)re-又;再;重新view→review(复习)write→rewrite(重写)inter-相互;交互在一起net→Internet(互联网)national→international(国际的)connect→interconnect(相互关联)前缀含义例词tele-远phone→telephone(电话)vision→television(电视)en-使可能rich→enrich(使丰富)able→enable(使能够)a-使处于……情况live→alive(活着的)wake→awak

4、e(醒着的)sleep→asleep(睡着的)[续表]2.后缀形式后缀例词形容词→副词+-lywide→widelyquiet→quietlysad→sadlyslow→slowly以“辅音字母+y”结尾的形容词,变y为i,再加-lyhappy→happilyangry→angrily以“辅音字母+le”结尾的形容词,去掉e,再加-ysimple→simplyterrible→terribly少数以e结尾的形容词,要去掉e,再加-lytrue→truly形式后缀例词名词→形容词+-yrain→rainyhealth→healthywealth→wealthyl

5、uck→lucky+-lyweek→weeklylove→lovelyfriend→friendly+-ousdanger→dangerous+-fulcare→carefuluse→usefulhelp→helpful+-lessuse→uselesshelp→helplesscare→careless[续表]形式后缀例词名词→形容词+-ernwest→westernsouth→southern+-engold→goldenwood→wooden+-alnation→national其他China→ChineseFrance→FrenchAmerica→Am

6、ericanCanada→CanadianAsia→Asiancentre→central[续表]形式后缀例词动词→形容词+-eddisappoint→disappointedinterest→interested+-ingfollow→followinginterest→interesting+-tiveact→activecreate→creative+-ableenjoy→enjoyablecomfort→comfortablesuit→suitable[续表]形式后缀例词形容词→名词+-nessill→illnesssad→sadnesskind→ki

7、ndness+-ydifficult→difficulty+-ityable→abilitypossible→possibility+-ce(以t结尾的形容词去t,再加-ce)important→importancesilent→silencedifferent→difference[续表]形式后缀例词动词→名词+-erteach→teacherwin→winnerwork→worker+-oract→actorvisit→visitordirect→director+-ioninvite→invitationdecide→decision+-mentdeve

8、lop→developmentmove