文档介绍：-A-A型(无变化的动词)cut-cut-cut let-let-let hit-hit-hit put-put-put cost-cost-cost hurt-hurt-hurt read/rid/-read[red]-read[red]-A-B型(现在式和过去式同形)beat-beat--B-A型(e-e-became-erun-ran--B-B型(动词的过去式与过去分词相同)(1)词尾的“d”变为“t”或词尾是“n”加“t”build-built-built lend-lent-lent send-sent-sent spend-spent-spentburn-burnt/burned-burnt/burned learn-learnt/learned-learnt/learnedmean-meant-meant(2)把原形变为aught及ought的变化(如果原形有a则是aught,无a则是ought)buy-bought-bought bring-brought-brought think-thought-thoughtfight-fought-fought catch-caught-caught teach-taught-taught(3)eep变ept或过去式、过去分词含有/e/音的动词keep-kept-kept sleep-slept-slept sweep-swept-swept leave-left-leftsay-said-said meet-met-met spell-spelt-speltsmell-smelt/smelled-smelt/smelled hold-held-held feel-felt-felt(4)其他dig-dug-dug find-found-found stand-stood-stoodunderstand-understood-understood get-got-got sit-sat-satspoil-spoilt-spoilt have/has-had-had sell-sold-sold tell-told-told hang-hanged/hung-hanged/hung hear-heard-heard make-made-madepay-paid-paid lay-laid-laid lie(说谎)-lied-lied lose-lost-lostshine-shone/shined-shone/shined win-won-won shoot-shot--B-C型(现在式、过去式和过去分词都不相同)(1)in、im的变化(i-a-u型)sing-sang-sung ring-rang-rung begin-began-begundrink-drank-drunk swim-swam-swum sink-sank-sunk(2)在动词原形后加-n或-en构成过去分词①ow及aw的变化(过去式以ew结尾,过去分词以wn结尾)draw-drew-drawn know-knew-known throw-threw-thrownblow-blew-blown grow-grew-grown fly-flew-flown②元