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不规则动词的变化形式： 1. A---A---A型cost cost cost 花费 cut cut cut 割，切 hit hit hit 打击 let let let 让 put put put 放下 set set set 放置read read read 读hurt hurt hurt 伤害shut shut shut 关闭 2. A---A---B型beat beat beaten 打3. A---B---A型run ran run 跑 come came come 来 become became become变 overcome overcame overcome克服(但welcome是) 4. A ---B ---B型 （1） leave left left 离开mean meant meant 意思 deal dealt dealt 处理；对付hear heard heard 听见burn burned burned burnt burnt 燃烧learn learned learnedlearnt learnt 学会 smell smelled smelled smelt smelt 嗅，闻 spoil spoiled spoiled spoilt spoilt 宠坏（2）lose lost lost 失去 build built built 建筑 lend lent lent 借给 send sent sent 送spend spent spent 花费 （3）pay paid paid 付钱 lay laid laid 下蛋；产卵say said said 说 bring brought brought带来buy bought bought 买 think thought thought 想 fight fought fought 打架 seek sought sought 寻找 catch caught caught 抓住 teach taught taught 教 sleep slept slept 睡觉keep kept kept 保持 sweep swept swept 打扫 feel felt felt 觉得；感觉 stand stood stood 站立 understand understood understood明白 get got got 得到win won won 获胜shine shone shone照耀 shined shined擦亮find found found 发现 found found founded 建立hang hung hung 闲逛悬挂 hang hanged hanged绞死have had had 有；吃；进行 hold held held 举行；握住 make made made 制造 meet met met 遇见 feed fed fed 喂食 flee fled fled 逃跑 shoot shot shot 射击sell sold sold 卖 tell told told 告诉 sit sat sat 坐 dig dug dug 挖5. A---B---C型 （1）eat ate eaten 吃 fall fell fallen 落下 give gave given 给 see saw seen 看见 take took taken 拿走 mistake mistook mistaken误解 drive drove driven 驾驶 ride rode ridden 骑 rise rose risen上升write wrote written 写 blow blew blown 吹draw drew drawn 绘画grow grew grown 生长 know knew known 知道 throw threw thrown 抛，扔show showed shown 出示 wake woke wken醒来fly flew flown 飞bear bore born 生(孩子)wear wore worn 穿（2）break broke broken 破坏 steal stole stolen 偷 freeze froze frozen 冻结 speak spoke spoken 讲话choose chose chosen 选择 forget forgot forgotten忘记 （3）begin began begun 开始 ring rang rung 铃响