（一）AAA型（按中间的元音字母来记忆：a-e-i-o-u）set 设置beset 围攻reset 重设定unset 去除设定upset 颠覆underset 暗流overset 推翻cast 铸造broadcast 广播→broadcast, broadcasted →broadcast, broadcastedovercast 遮蔽forecast 预报→forecast, forecasted→forecast, forecastedupcast 上抛recast 重铸precast 预计cost 价值quit 退出→quitted, quit→quitted, quit cut 切uppercut 上击undercut 廉价出售thrust 刺入outthrust 刺穿lose 丢失shut 关闭tspread 散布bespread 铺盖dispread 扩散outspread 伸展overspread 扩张hit 打hurt 伤害let 让underlet 低价出租split 劈开slit 切开shed 脱落read 读put 放burst 爆炸tspit 吐→spat, spit→spat, spitwed 结婚→wedded, wed→wedded, wed wet 打湿→wetted, wet→wetted, wet sweat 出汗→sweat, sweated→sweat,sweated bless 祝福→blessed, blest→blessed, blest bet 打赌→bet, betted→bet, bettedrid 除去→rid, ridded→rid, ridded shred 撕碎→shredded, shred→shredded,shred unknit 拆开→unknitted, unknit→unknitted, unknit（二）ABA型(按元音字母转换来记忆) come 来→came→comebecome 变成→became→becomeovercome 克服→overcame→overcomerun 跑→ran→runforerun 作先驱→foreran→forerunoutrun 超越→outran→outrunoverrun 泛滥→overran→overrununderrun 跑不过→underran→underrun （三）AAB型beat 击打→beat→beatenrive 扯裂→riven→riven, rived（四）ABB型（加头去尾）1.加dhear 听→heard→heardoverhear 无意听到→overheard→overheardmake 做→made→madeunmake 恢复原状→unmade→unmadelade 舀水→laded→laded, ladenblend 混合→blended, blent→blended, blentdare 敢→dared, durst→daredclothe 穿衣→clothed, clad→clothed, cladcrow 报晓→crowed, crew→crowedbeseech 乞求→besought, beseeched→besought, beseechedalight 下车→alighted, alit→alighted, alitheave 力擎→heaved, hove→heaved, hovereeve 贯穿→rove, reeved→rove, reevedknit 编结→knitted, knit→knitted, knitshoe 穿鞋→shod, shoed→shod, shoedstave 凿孔→staved, stove→staved, stovestrive 奋斗→strove, strived→striven, strivedfl ee 逃跑→fl ed→fl edforetell 预言→foretold→foretoldeave→eftl eave 离开→l eft→l eftreave 掠夺→reaved, reft→reaved, reftbereave 剥夺→bereaved, bereft→bereaved, bereftcleave:分裂，打通cleaved, cleft, clove→clave,cleaved, cleft,cloven hang:挂,吊死→hung,hanged→hung,hangedunhang 解除悬挂→unhung→unhungoverhang 悬垂→overhung→overhungpay 付出→paid→paidrepay 报答→repaid→repaidunderpay 克扣→underpaid→underpaidoverpay 付出太多→overpaid→overpaidlay 放置→laid→laidinlay 镶嵌→inlaid→inlaidmislay 放错→mislaid→mislaidoutlay 花费→outlaid→outlaidoverlay 覆盖→overlaid→overlaidrelay 转送→relaid→relaidunderlay 铺垫→underlaid→underlaidwaylay 埋伏→waylaid→waylaidunlay 松开→unlaid→unlaidsay 说→said→saidgainsay 反驳→gainsaid→gainsaidunsay 撤销→unsaid→unsaidtell 讲述→told→toldretell 重述→retold→retoldsell 卖→sold→soldundersell 抛售→undersold→undersoldoutsell 畅销→outsold→outsoldoversell 卖完→oversold→oversoldlearn 学习→learnt, learned→learnt, learnedunlearn 忘却→unlearnt, unlearned→unlearnt, unlearned mean 意思→meant→meantlean 倾斜→leaned, leant→leaned, leantleap 跳跃→leapt, leaped→leapt, leapedoverleap 跳过→overleapt, overleaped→overleapt, overleaped spoil 破坏→spoilt, spoiled→spoilt, spoileddream 做梦→dreamed, dreamt→dreamed, dreamtfight 打架→fought→foughtoutfight 击败→outfought→outfoughtd-t:rend 撕破→rent→rentlend 借出→lent→lentbuild 建筑→built→builtupbuild 在上面建→upbuilt→upbuiltunbuild 拆除→unbuilt→unbuiltunbend 放松→unbent→unbentbend 鞠躬→bent→bentsend 送→sent→sentgild 镀金→gilded, gilt→gildedgird 束缚→girded, girt→girded, girtungird 解带→ungirded, ungirt→ungirded, ungirtspend 花钱→spent→spentp，l-t:smell 闻→smelt, smelled→smelt, smelledspell 拼写→spelt, spelled→spelt, spelledsleep 睡觉→slept→sleptoversleep 睡过头→overslept→oversleptweep 哭泣→wept→weptsweep 打扫→swept→sweptupsweep 向上弯曲→upswept→upsweptkeep 保持→kept→keptcreep 爬行→crept→creptfeel 感觉→felt→felt加t：unteach 使人忘却→untaught→untaughtburn 燃烧→burnt, burned→burnt, burnedbuy 买→bought→boughtcatch 抓住→caught→caughtdeal 处理→dealt→dealtmisdeal 处理不当→misdealt→misdealtrebuild 重建→rebuilt→rebuiltoverbuild 建造过多→overbuilt→overbuiltoverspend 过度使用→overspent→overspentoutspend 花钱过多→outspent→outspentoverbuy 买得过贵→overbought→overboughtseek 搜索→sought→soughtspill 溢出→spilt, spilled→spilt, spilledwork:工作,劳动→worked,wrought→worked,wroughtteach 教→taught→taughtunderbuy 贱价买走→underbought→underbought3.以i开头i-o:shine 照耀→shone, shined→shone, shinedoutshine 亮过→outshone→outshonebide 忍受→bode, bided→bidedabide 居住→abode, abided→abode, abidedbide 忍受bode, bided bidedwin 获胜→won→wonsit 坐→sat→satoutsit 久坐→outsat→outsati-u:dig 挖洞→dug→dugcling 粘附→clung→clungfling 派出→flung→flungstrike 打动→struck→struck, strickensting 刺激→stung→stungsink 下沉→sank, sunk→sunk, sunkenstink 发臭→stank, stunk→stunkslink 潜逃→slunk→slunksling 吊起→slung→slungstick 粘贴→stuck→stuckunstick 扯开→unstuck→unstuckunsling 取去悬索→unslung→unslungupswing 跃进→upswung→upswungspin 旋转→spun→spunswing 摆动→swung→swungstring 捆扎→strung→strungunstring 去掉绑扎→unstrung→unstrunghamstring 残废→hamstringed, hamstrung→hamstringed, hamstrung i-ou:bind,find)find 找寻→found→foundgrind 磨→ground→groundbring 带来→brought→broughtwind 缠绕→winded, wound→winded, woundoverwind 旋太紧→overwound→overwoundunwind 打开→unwound→unwoundbind 绑→bound→boundunbind 解开→unbound→unbound4.去e（meet）meet 见面→met→metspeed 促进→sped, speeded→sped, speeded underfeed 喂不饱→underfed→underfedbleed 流血→bled→bledbreed 产生→bred→bredoutbreed 超产→outbred→outbredfeed 喂→fed→fedoverfeed 喂得太多→overfed→overfedo-e:holdhold 拿住→held→heldbehold 注意看→beheld→behelduphold 赞成→upheld→upheldwithhold 扣留→withheld→withhelde-o:getget 得到→got→got, gotten5.以o结尾an-oo(stand,understand)stand 站立→stood→stoodmisunderstand 误会→misunderstood→misunderstood understand 理解→understood→understood withstand 对抗→withstood→withstoodshoot 射击→shot→shotoutshoot 发射→outshot→outshotovershoot 打过头→overshot→overshotundershoot 进入射程→undershot→undershotlead 带领→led→ledmislead 欺骗→misled→misledead-roduntread 折回→untrod→untrodden, untrodtread 践踏→trod→trodden, trodthink 思考→tought→thoughtunthink 打消念头→unthought→unthoughtbethink 想起→bethought→bethought（五）ABC型（加减是特殊）加：1。
