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1、不规则动词得过去式与过去分词变化规则表1：1、AAA型,即原形、过去式与过去分词三者都相同。COSt-COSt-COStcut-cutcuthithithithurt-hurthurtIet-Iet-Ietputput-putread-readread2、A-B-B型,即过去式、过去分词相同。1）过去式与过去分词都含有OUghtobringbroughtbroughtbuybought-boughtthinkthoughtthoughtfightfought2）词尾有ild,end时,只需把d变为tobuildbuilt-builtIend-Ient-lentsendsentsentspend
2、-spent-spent3）过去式、过去分词都含有aughtocatchcaughtcaughtteach-taught-taught4）把eep变为eptokeepkeptkeptsleepslept-sleptsweepsweptswept5）把ell变为old。telltoldtoldsellsoldsold6）过去式、过去分词都含有elt或iltosmell-smeltsmeltspellspeltspeltfeelfeltfelt7）过去式、过去分词都在原形词尾加toIearn-Iearnt-Iearntmean-meant-meant8）过去式、过去分词词尾去y变id。saysai
3、dsaidpaypaidpaidIay-Iaid-Iaidhear-heardheard9）改变元音字母。meetmet-metgetgotgotsitsatsatfindfoundfoundholdheldheldshine-shone-shonewinwonwonhanghunghungIose-Iost-Iost10）改变辅音字母。makemade-made11）改变元、辅音字母。Ieave-Ieft-Ieftstand-stood-stoodhave（has）-hadhadunderstand-understood-understood3、ABC型,即原形、过去式、过去分词都不相同。1
4、）原形、过去式与过去分词都不相同。bewas-beendodiddoneflyflew-flowngowent-goneIie-Iay-Iainshowshowedshownwearworeworn2）词尾为ow,aw时,过去式将其变为ew,过去分词在其原形后加n。blow-blew-blowndrawdrewdrawngrowgrewgrownknowknewknownthrow-threwthrown（show除外）3）词尾为i+辅（1个）+e,过去式将i变为O,过去分词多在原形后加n,若那个辅音字母为d或L须双写d或t后加o（givezhide除外）drivedrovedrivenwri
5、te-wrotewrittenrideroderiddenrise-rose-risenarisearosearisen4）过去分词在过去式后加（e）n。breakbrokebrokenchoose-chose-chosenfreeze-froze-frozenspeakspokespokenwakewokewoken5)过去分词由过去式加ten构成。forget-forgot-forgotten6)过去分词由原形加(e)n构成。bewas(were)-beeneatateeatenfallfellfallengivegavegivenseesawseenhidehidhidden(hid)7
6、)词尾为ake时,过去式将其变为OOk,过去分词在原形词后加otaketooktakenmistakemistookmistaken8)i-au变化。beginbeganbegundrinkdrank-drunksingsangsungringrangrungswim-swamswumsinksanksunk4、ABA型,即过去分词与原形相同。ecameebee-became-beerun-ran-run5、情态动词型,只有原形与过去式,没有过去分词。can-couldmaymightwill-wouldshallshould不规则动词得过去分词变化规则表2:（I）AAA型（动词原形、过去式、
7、过去分词同形）COSt（花费）costcostCUt（WO）CUtcuthit（JT）hithithurt伤害）hurthurtIet（Ih）IetletPUt（放）putputread（读）readreadAAB型（动词原形与过去式同形）beat（跳动）beatbeatenABA型（动词原形与过去分词同形）bee（变成）becamebeee（来）cameerun（跑）ranrun（4）ABB型（过去式与过去分词同形）dig（挖）dugget（得到）gothang（吊死）hangedhang（悬挂）hunghold（抓住）heldShine（照耀）shonesit（坐）satwin（赢）won
8、meet（遇见）metkeep（保持）keptSIeeP（睡）sleptsweep（）sweptfeel（感觉）feltsmell（B）smeltleave（离开）leftbuild（建设）builtIend（借出）lentsend（传送）sentSPend（花费）spentlose（丢失）lostburn（燃烧）burntIearn（学习）learntmean（意思就是）meantCatCh（抓住）caughtteach（教）taughtbring（带来）broughtfight（战斗）foughtbuy（买）boughtthink（想）thoughthear（听见）heardsell（卖）
9、soldtell（告诉）toldsay（说）saidfind（找到）foundhavehas（W）hadmake（制造）madeStand（站）StOodunderstand明白understoodunderstoodABC型（动词原形、过去式与过去分词三者不同形）begin（开始）beganbegundrink（喝）drankdrunkring（铃响）rangrungSing（唱）sangsungSWim（游泳）swamswumblow（吹）blewblowndraw（画）drewdrawnfly（飞）flewflowngrow（生长）grewgrownknow（知道）knewknownth
10、row（投掷）threwthrownShoW（出示）showedshownbreak（打破）brokebrokenChooSe（选择）chosechosenforget。忘i己）forgotforgotten（forgot）SPeak（说,讲）spokespokenWake（酉星）wokewokedrive（驾驶）drovedriveneat（）ateeatenfall（落下）fellfallengive（给）gavegivenrise（升高）roserisentake（取）tooktakenmistake（弄错）mistookmistakenride（骑）roderiddenWrite（写）wrotewrittendo（做）diddonego（）wentgoneie（平躺）laylainsee（瞧见）sawseenWear（穿）worewornbe（am,is,are）僦是）was,werebeen
