1、不规则动词表 一、原形、过去式、过去分词相同： cost-cost-cost cut-cut-cut hurt-hurt-hurt let-let-let put-put-put read-read-read 二、过去式、过去分词相同，与原形不同： 1、以-ought结尾： bring-brought-brought buy-bought-bought think-thought-thought 2、以-aught结尾： caught-caught-caught teach-taught-taught 3、在末尾加辅音字母： hear-heard-heard mean-meant-meant,
2、不规则动词表 4、改结尾的辅音字母： build-built-built lend-lent-lent send-sent-sent spend-spent-spent make-made-made 5、减少元音字母，加辅音字母： feel-felt-felt keep-kept-kept leave-left-left lose-lost-lost sleep-slept-sleptsweep-swept-swept 6、改写中间的元音字母： stand-stood-stood understand-understood-understood hold-held-held babysit-b
3、abysat-babysat fight-fought-fought have-had-had pay-paid-paid win-won-won get-got-got sit-sat-sat find-found-found meet-met-metfeed-fed-fed,不规则动词表 7、既改元音字母，又改辅音字母： sell-sold-sold tell-told-told say-said-said lay-laid-laid 8、规则、不规则均可： Hang -hung-hung learn -learnt-learnt -hanged-hanged -learned-learn
4、ed Smell -smelt-smelt shine -shone-shone -smelled-smelled -shined-shined spell -spelled-spelled wake -woke-woke -spelt-spelt -waked-waked,三、过去分词与原形相同： become-became-become come-came-comerun-ran-run 四、原形、过去式、分词均不同： 1.过去分词在原形后加n或en： draw-drew-drawn grow-grew-grownknow-knew-known show-showed-shown driv
5、e-drove-driven give-gave-given eat-ate-eaten take-took-taken see-saw-seen fall-fell-fallen beat-beat-beaten,2.过去分词在过去式后加n或en： break-broke-broken freeze-froze-frozen speak-spoke-spoken wear-wore-woren steal-stole-stolen 3.过去分词在原形（过去式）的基础上双写辅音字母： forget-forgot-forgotten ride-rode-ridden write-wrote-written 4.将原形中的元音字母改为a或u： begin-began-begun drink-drank-drunk sing-sang-sung swim-swam-swum 5.在原形后加ne: go-went-gone do-did-done,6.完全不同： fly-flew-flown lie -lay-lain（躺） -lied-lied(说谎) is /am -was-been are-were-been 五、只有过去式但无过去分词（主要是情态动词）： can-could may-might shall-should will-would,
