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，就可发现其中的“规则”。为方便同学们记忆，现将初中英语教学大纲中的69个不规则动词的原形、过去式和过去分词列出并规为五种类型。同学们还可将第二、三类分为若干组，以便准确记忆。一、 AAA型（原形、过去式和过去分词同形）：cost cost cost cut cut cut let let let put put put read read read 二、 二、ABB型（过去式与过去分词同形）：bring brought broughtbuild built built buy bought boughtcatch caught caught dig dug dugfeel felt felt find found foundget got got have had hadhear heard heard hold held heldkeep kept kept ※learn learnt learntleave left left lend lent lentmake made made meet met metpay paid paid say said saidsell sold sold send sent sentshine shone shone sit sat satsleep slept slept ※smell smelt smeltspend spent spent stand stood stoodteach taught taught tell told toldthink thought thought understand understoodunderstood三、 ABC型（原形、过去式和过去分词各异）：be was/were beenbegin began begun blow blew blownbreak broke brokendo did donedraw drew drawndrink drank drunkdrive drove driveneat ate eatenfall fell fallenfly flew flownforget forgot forgottengive gave givengo went gonegrow grew grownknow knew knownlie lay lainride rode riddenring rang rungsee saw seenshow showed shownsing sang sungspeak spoke spokenswim swam swumtake took takenthrow threw thrownwake woke wokenwear wore wornwrite wrote written四、 四、ABA型（原形与过去分词同形）：become became becomecome came come 五、AAB型（原形与过去式同形）：beat beat beaten
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