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类别示例AAAcutcutcutcostcostcosthithithitputputputAABbeatbeatbeatenABAbecomebecamebecomecomecamecomerunranrunABB(1)改变元音字母。getgotgotholdheldheldsitsatsatwinwonwon(2)以ild或end结尾的只需把d改成t。buildbuiltbuiltlendlentlentsendsentsentspendspentspent(3)以eep结尾的把eep变成eptkeepkeptkeptsleepsleptsleptsweepsweptswept(4)以ell结尾的把ell变成oldtelltoldtoldsellsoldsold(5)过去式和过去分词末尾都加d或者thearheardheardlearnlearntlearntmeanmeantmeant(6)过去式和过去分词都是把y变成idsaysaidsaidpaypaidpaid(7)过去式和过去分词都含有ought的bringbroughtbroughtbuyboughtboughtthinkthoughtthought(8)过去式和过去分词都含有aught的catchcaughtcaughtteachtaughttaught(9)过去式和过去分词含有elt的单词SmellsmeltsmeltspellspeltpeltfeelfeltfeltABC(1)改变元音字母beginbeganbegundrinkdrankdrunksingsangsungswimswamswum(2)以ow或aw结尾的，过去式变成ew结尾，过去分词在原形上加ngrowgrewgrownknowknewknowndrawdrewdrawn(3)过去分词在动词原形后面加(e)nbewas/werebeeneatateeatendrivedrovedrivengivegavegivenriseroserisenseesawseentaketooktakenwritewrotewriten(4)过去分词在过去式的后面加n或enbreakbrokebrokenchoosechosechosenspeakspokespokenforgetforgotforgottenwakewokewoken(5)原形，过去式和过去分词都没有变化规律dodiddoneflyflewflowngowentgonelielaylainrideroderidden