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《【5A版】初中常用的前缀后缀.ppt》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、初中英语常见的前缀和后缀常见的否定前缀前缀意义例词un-不，未(=not)unhappy,unnecessary,unexpected,unusual,,相反动作uncover,untie,unlock,undressin-，il-im-，ir-不，非，无incomplete,impossible.impolite,irregular,inability,dis-表示否定表示相反dishonest,disappear,disagreedislike,disbelievemis-表示错、误mistake,misfortu
2、ne,不幸misunderstanding误解前缀意义例词a-1.在…上/里2.去（to）asleep,along,aloud,alive,across,abroad在国外,aboard在船/火车/飞机上com-,con-,cor-,col-共同，和comment,collect,co-联合、共同co-worker,coexistre-1.再一次，重新2.回，返renew,reborn,rebuild,reappear,returnfore-时间或位置的“在前面”(=before)foresee,foreleg,for
3、etell预言,foreknow预卜pre-在前、事先、预先(before)prepay,prewar,preschool,prehistory前缀意义例词post-时间和顺序的“在后边”(=after)post-war,postgraduateinter-互相(=between,among)interactinternationalmulti-多，多种multinationalmulti-culturalmid-中间(=middle)midday,midnighttele-远television,telegramde
4、-1.否定;2.下;3.强调defeat,decode,decreaseen-使enable,encouragesuper-超级、在之上superpower,superhero前缀意义例词sub-下面的；次subway,subtitlesemi-半semi-final,semiconductor(半导体）vice-副vice-premier,vice-chairmanuni-单uniformbi-双bicyclemulti-多multinationalauto-自动，自主Automobile汽车,automation(
5、自动化）anti-反、防anti-tank,anti-socialex-前ex-president,ex-wifetrans-跨越;移transport,translate写出下面单词的前缀important重要的→___important不重要的appear出现→____appear消失correct正确的→___correct不正确的lead带领→___lead领错__lone单独的___gas防毒气的___chart自动图表___operate合作__joy使高兴___net互联网___way地铁___phone
6、电话___use再用找出课文中还有所学词缀的单词说出下列前缀的意思sub-com-pre-mis-im-un-tele-re-en-uni-trans-a-dis-inter-multi-fore-post-后缀意义例词表示人-er从事…职业的人teacher,worker,learner-or与-er同义visitor,educator,translator-eer从事于...的人engineer,volunteer,mountaineer-ess女...的actress,waitress,hostess-ian..
7、.(专)家/..工作者politician,musician-ist从事...职业/文艺/学术的人artist,socialist,physicist表示物-er从事某工作的物washer,cooker-or从事某工作的物conductor导体表示人和物的名词后缀前缀意义例词-ing状态feeling，reading-ion/-tion/-sion动作；过程action,decision,pollution,pronunciation-ment性质；状态development，government-ness性质；状态h
8、appiness，sadness，illness-ure状态failure，pleasure-th性质,状态growth,length,wealth,truth其他名词后缀后缀意义例词-(a)ble可/能…的valuable,horrible,-al有...性质的natural,technical,actual-ic,-ical.
