不规则动词中寻规律英语动词按其过去式和过去分词的构成方式可分为规则动词和不规则动词。规则动词的过去式和过去分词由词尾加-ed构成,而不规则动词的变化因词而异。但如对不规则动词的过去式和过去分词做一分析,就可发现其中也是有规律可寻的。一、【AAA型】原形、过去式、过去分词三者完全一样。其特点为原形、过去式和过去分词的词形和读音都相同,结尾字母一般是-t或-d。如:cut-cut-cut切hit-hit-hit打hurt-hurt-hurt伤害cost-cost-cost花费put-put-put放let-let-let让shut-shut-shut关上read-read-read读set-set-set放，搁置注意:动词read的过去式和过去分词的词形也与原形一致,但发音却不同,分别是[ri:d]-[red]-[red]。二、【AAB型】动词原形与过去式相同beat-beat-beaten跳动三、【ABB型】过去式与过去分词相同1.把单词结尾的字母-d改为-t。如:lend-lent-lent借出spend-spent-spent花费send-sent-sent传送build-built-built建设2.过去式与过去分词在原形后加-t。如:burn-burnt-burnt燃烧learn-learnt-learnt学习注意:burn,learn,dream的过去式和过去分词也可以在原形词尾加-ed。3.过去式与过去分词在原形后加-d。如:hear-heard-heard听见lie-lied-lied(撒谎)4.改变单词中间的元音字母。如:sit-sat-sat坐win-won-won赢shine-shone-shone照耀hold-held-held举行，抓住get-got-got得到sell-sold-sold麦stick-stuck-stuck粘贴stand-stood-stood站5.过去式和过去分词都以-aught或-ought结尾。如:buy-bought-bought买fight-fought-fought打架think-thought-thought想teach-taught-taught教catch-caught-caught抓住bring-brought-brought带来6.某些以-ay结尾的动词,其过去式和过去分词是把-ay变成-aid。如:say-said-said说pay-paid-paid付款7.某些以-eep结尾的动词,其过去式和过去分词是把-eep改为-ept。如:keep-kept-kept保持sleep-slept-slept睡8.某些以-ell结尾的动词,其过去式和过去分词是把-ell改为?-elt,或在原形后加-ed。如:spell-spelt-speltspell-spelled-spelled拼写smell-smelt-smeltsmell-smelled-smelled闻9.另外还有一些其它的不规则变化。如:have/has-had-had有find-found-found找leave-left-left离开lose-lost-lost丢失feel-felt-felt感觉make-made-made制造meet-met-met遇见tell-told-told告诉understand-understood-understood理解【ABA型】过去分词与原形相同如:become-became-become变成come-came-come来run-ran-run跑【ABC型】原形、过去式、过去分词均不相同。1.过去式是把原形中的-i改为-a,而过去分词是改为-u。如:sing-sang-sung唱歌begin-began-begun开始swim-swam-swum游泳ring-rang-rung铃响drink-drank-drunk喝2.过去式是把原形中的-o改为-e,而过去分词是在原形词尾加-n。如:grow-grew-grown生长throw-threw-thrown扔know-knew-known知道blow-blew-blown吹3.有些动词的过去式不同,而过去分词都是在原形词尾加-n或-en构成。如:rise-rose-risen上升give-gave-given给draw-drew-drawn画eat-ate-eaten吃fall-fell-fallen落下take-took-taken带走drive-drove-driven驾驶4.原形、过去式和过去分词都各不相同,无规律可循。如:be-was/were-been是go-went-gone去do-did-done坐break-broke-broken打破wake-woke-woken醒fly-flew-f