大学英语A级考试词形转换常考词总结.doc

大学英语A级考试词形转换常考词总结（总共246个核心词汇）词形转换主要是考查名、动、形、副四种词形的相互转换词形转换四大法宝:1. be + adj/doing/done2. vt/prep/a/an/the/adj + n3. prep + n/doing4. adv + v/adj/adv/clause (+ 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悬挂 （不绞死我，我就不规则）hang-hanged-hanged 绞死 （-ed 可以想象为一根绳子（e）挂在脖子（d）上的样子）rise-rose-risen-rising viraise-raised-raised-raising vtlie-lied-lied-lying-liar 说谎lie-lay-lain-lying 躺lay-laid-laid-laying 放置、下蛋intelligent-intelligence-intellectualaware-awarenessperform-performance-performeract-action-activity-active-actively-inactive-inactively-inactivityconfuse-confusion-confused-confusingmean-meaning-meaningful-meaninglessexcess-excessive-excessivelysuccess-succeed-successful-successfully-unsuccessful-unsuccessfullyfail-failuredecide-decision-decisiveease-easy-easier-easiestdiscuss-discussiontour-tourism-tourist-tourist attractionattract-attraction-attractivetrouble-troublesometire-tiresomehand-handsomerely-reliablebenefit-beneficialguide-guidancescience-scientist-scientificcommunicate-communicationelectric-electricity-electrician-electronic 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