Bare infinitivePast tensePast participleBare infinitivePast tensePastparticipleam,iswas beenarewerebeenbeatbeatbeatenbecomebecamebecomebeginbeganbegunbetbetbetbreakbrokebrokenbringbroughtbroughtbuildbuiltbuiltbuyboughtboughtcan could——catchcaughtcaughtchoosechosechosencomecamecomecostcostcostcutcutcutdodiddonedrawdrewdrawndrinkdrankdrunkdrivedrovedriveneatateeatenfallfellfallenfeelfeltfeltfightfoughtfoughtfindfoundfoundflyflewflownforgetforgotforgottengetgotgotgivegavegivengowentgonegrowgrewgrownhave,hashadhadhearheardheardhidehidhiddenholdheldheldhurthurthurtkeepkeptkeptknowknewknownlearnlearnt,learnedlearnt,learnedleaveleftleftletletletloselostlostmakemademademaymight——meanmeantmeantmeetmetmetpaypaidpaidputputputreadreadreadrewriterewroterewrittenrideroderiddensaysaidsaidseesawseensellsoldsoldsendsentsentshakeshookshakenshineshone,shinedshone,shinedshowshowedshownsingsangsongsitsatsatsleepsleptsleptsmellsmelt,smelledsmelt,smelledspeakspokespokenspendspentspentstandstoodstoodstealstolestolensweepsweptsweptswimswamswumtaketooktakenteachtaughttaughttelltoldtoldthinkthoughtthoughtthrowthrewthrownunderstandunderstoodunderstoodwearworewornwinwonwonwritewrotewritten八年级下册英语动词过去式、过去分词。