动词原形、过去式、过去分词动词原形、过去式、过去分词A-A-AA-A-A 型（现在式、过去式和过去分词同形）型（现在式、过去式和过去分词同形）动词原形（现在式）动词原形（现在式）过去式过去式 过去分词过去分词costcost costcost costcostcutcut cutcut cutcut hurthurthurthurthurthurthithithithithithitletletletletletletputput putput putput readread readread readread setsetsetsetsetsetspreadspreadspreadspreadspreadspreadspitspit spit/spatspit/spat spit/spatspit/spat shutshut shutshut shutshut A-A-BA-A-B 型（现在式和过去式同形）型（现在式和过去式同形）动词原形（现在式）动词原形（现在式）过去式过去式 过去分词过去分词beatbeat beatbeatbeatenbeatenA-B-AA-B-A 型（现在式和过去分词同形）型（现在式和过去分词同形）动词原形（现在式）动词原形（现在式）过去式过去式 过去分词过去分词comecome 来来camecame comecomebecomebecomebecamebecame becomebecomerunrun ranran runrunA A -B-B -B-B 型型1.1.在动词原形后加一个辅音字母在动词原形后加一个辅音字母 d d 或或 t t 构成过去式或过去分词构成过去式或过去分词动词原形（现在式）动词原形（现在式）过去式过去式 过去分词过去分词burnburn burntburntburntburntlearnlearnlearned/learntlearned/learntlearned/learntlearned/learntmeanmeanmeantmeantmeantmeanthearhearheardheardheardheard2.2.把动词原形的最后一个辅音字母把动词原形的最后一个辅音字母“d”“d”改为改为“t”“t” 构成过去式或过去分词。构成过去式或过去分词。动词原形（现在式）动词原形（现在式）过去式过去式 过去分词过去分词buildbuild builtbuiltbuiltbuiltlendlendlentlentlentlentloseloselostlostlostlostsendsendsentsentsentsentspendspendspentspentspentspent3.3.其他（其他（A-B-B)A-B-B)paypay paidpaidpaidpaidlaylaylaidlaidlaidlaidsaysaysaidsaidsaidsaidbringbringbroughtbroughtbroughtbroughtbuybuyboughtboughtboughtboughtthinkthinkthoughtthoughtthoughtthoughtsleepsleep sleptslept sleptslept 3.3.其他其他(A-B-B)(A-B-B)keepkeep keptkeptkeptkeptsweepsweepsweptswept sweptswept standstandstoodstoodstoodstoodunderstandunderstandunderstoodunderstoodunderstoodunderstoodwinwinwonwon wonwon shineshineshone/shinedshone/shined shone/shinedshone/shined catchcatch caughtcaughtcaughtcaughtteachteachtaughttaughttaughttaughtfeelfeelfeltfelt feltfelt fightfightfoughtfoughtfoughtfoughtfindfindfoundfoundfoundfoundgetgetgotgotgotgothanghanghanged/hanged/ hunghunghanged/hanged/ hunghunghavehavehadhadhadhadholdholdheldheldheldheldleaveleave leftleftleftleftmakemakemademademademademeetmeetmetmetmetmetsellsellsoldsoldsoldsoldshootshoot shotshot shotshot 3.3.其他其他(A-B-B)(A-B-B)telltell toldtoldtoldtoldsmellsmellsmelt/smelledsmelt/smelled smelt/smelledsmelt/smelled sitsitsatsatsatsatdigdigdugdugdugdugA-B-CA-B-C 型（现在式、过去式和过去分词都不相同）型（现在式、过去式和过去分词都不相同）1.1.在动词原形后加在动词原形后加-n-n 或或-en-en 构成过去分词。构成过去分词。eateatateateeateneatenfallfallfellfellfallenfallenstealstealstolestolestolenstolengivegivegavegavegivengivenfreezefreezefrozefrozefrozenfrozen taketaketooktooktakentakenseeseesawsawseenseen writewrite wrotewrotewrittenwrittenriderideroderoderiddenriddendrivedrivedrovedrovedrivendriventhrowthrow threwthrewthrownthrownblowblowblewblewblownblowngrowgrowgrewgrewgrowngrownknowknowknewknewknownknown flyfly flewflewflownflown1.1.在动词原形后加在动词原形后加-n-n 或或-en-en 构成过去分词。构成过去分词。drawdraw drewdrewdrawndrawnshowshowshowedshowedshownshown2.2.过去式加过去式加-n-n 或或-en-en 构成过去分词。构成过去分词。speakspeakspokespokespokenspokenbreakbreakbrokebrokebrokenbrokenwakewake waked/waked/ wokewokewaked/waked/ wakenwakenchoosechoose chosechosechosenchosenforgetforgetforgotforgotforgottenforgotten3.3.变单词在重读音节中的元音字母变单词在重读音节中的元音字母 i i 分别为分别为 a a（过去式）和（过去式）和 u u（过去分词）（过去分词） 。beginbegin beganbegan begunbegun ringringrangrang rungrungsingsingsangsangsungsungsinksinksanksanksunksunkswimswim swamswam swumswumdrinkdrinkdrankdrankdrunkdrunk4.4.其他不规则动词的变化。其他不规则动词的变化。be(am,be(am, is)is) was/was/ werewerebeenbeenbe(are)be(are) werewerebeenbeendododiddid donedone gogowentwentgonegonelielielaylay lainlainshowshowshowedshowedshownshown没有过去分词的动词没有过去分词的动词cancancouldcouldmaymaymightmightshallshallshouldshouldwillwill wouldwould