一、根据构词法记忆单词（一）、常见前缀1．表示否定意义的前缀un: unbelievable uncomfortable unconscious unfair uneasy unlike unknown unusual unexpected unemployment unfortunatelyin: indirect inevitable incorrect incomplete independent im: impossible impatient impractical impoliteil: illegalir: irrespective irregular irresponsiblemis: mistake misunderstand mislead misfortune misconduct dis: disadvantage discourage disabled disagree disapprove discount discover disappear disordernon: nonsense non-smokingab: abuseanti: anti-Japanese anti-smoking2．表示时间、序列的前缀pre (前，预先): preview preschool prehistory previouspost (后): postwar postgraduatepro (向前): proceed progress prolongre (回，再): review recycle react reproducerecover reform refresh renew restore3．表示方向、位置的前缀inter (在…之间): international interact interview internetin/im (向内): internal indoor inside interiorimport immigrateex (向外): export exterior external exceedunder (在下面): underestimate underground underline undergraduate trans (横过、): transport transplant transform transmitout (外): outdoor outwards outsidemid (在中间): midnight midday mid-term4．表示数量、大小的前缀uni (一，统一): unique unite unity universal uniformmin (少，减): minor minus minimummulti (多): multiply multinational multiple5．动词性前缀en: enable enjoy enforce encourage（二）、常见后缀1．常见名词后缀：ness: weakness illness fitness happinessment: treatment statement argument arrangement equipment management development employment improvement achievementpunishment measurement replacemention: invention selection suggestion election educationprevention reflection radiation rejection reactioninstruction distinction devotion innovation attractionexpression impressiontion: intention attentionsion: expansion explosion decision extension collisionation: invitation realization imagination modernization obligation foundation determination reservation industrialization applicationship: friendship scholarship ownership relationship hardship leadership (人):ity: popularity quality maturity personality publicitysecurity diversitydom: freedom wisdomage: storage package postage marriage shortageal: refusal removal arrival proposal survival approvalism: tourism organism criticismy: discovery recovery injury difficulty deliveryure: failure pressure exposure departureence: difference patience independence absence evidence confidence ance: distance significance resistance importance ignoranceist (人): tourist scientist specialistant (人): servant immigrant applicant assistant accountantconsultant defendant inhabitantian (人): technician musician electricianor (人): survivor operator inventor governor conductor competitor er (人): manufacturer consumer customer owner prisoner employer2．常见形容词后缀：ful (充满…的): faithful fearful hopeful fruitful helpful respectfulgraceful painful cheerful thoughtful powerfuly (…的): wealthy thirsty worthy hasty lucky noisy faulty less (无…的): hopeless useless worthless restless helpless meaninglessal (…的): national original practical natural musical occasionalmedical formal personal professional experimentalable (能…的、可…的): suitable valuable respectable remarkablefavorable reliable profitable fashionable miserablenoticeable portable reasonable honorable preferabledesirable acceptable comparable comfortablely (…的): timely friendly deadly costlyic (…的): symbolic heroic classic historic organicial (…的) : industrial racial commercial beneficial financial influential ive (…的): respective effective impressive expensive progressive attractive protective comparativeious (…的): suspicious mysteriousous (…的): poisonous humorous dangerousish (似…的): childish foolish bookishent: different patient independent absent evident confidentant: distant significant resistant important ignorant3．常见动词后缀：en: weaken lengthen harden widen threaten frighten strengthenize: realize specialize summarize modernize civilize criticize apologize sympathizefy: qualify justify classify（三）、合成词gentleman hometown homework housework mankind Second-hand earthquake playground mainland widespread spacecraft Postcard Postman taxpayer wildlife mailbox supermarket Headline deadline timetable football Pastime hardware spaceship stockholder。