构成规则构成主语+have/has+动词的过去分词(done)1．规则动词：规则动词的过去分词的构成规则与规则动词的过去式的构成规则相同四点变化规则：(1) 、一般动词，在词尾直接加“ed”然而要注意的是，过去分词并不是过去式)work---worked---worked,visit---visited---visited(2) 、以不发音的“e”结尾的动词，只在词尾加“d”live---lived(3) 、以“辅音字母+y”结尾的动词，将"y"变为"i",再加“edstudy---studied---studied,cry---cried---cried,(4)、重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加“ed”stop---stopped---stopped,drop-dropped-dropped2.过去分词不规则变化表一、a—A—A型，即原舷、过去式和过去分词三者都相同共9个）cost——cost——costcut——cut——cuthit——hit——hithurt—hurt—hurtlet—let—letput—put一putread——read——read（read的原形和过去式、过去分词读音不同［1］）set-set-setshut-shut-shut二、A—B—B型，即过去式、过去分词相同。
共41个）1 .过去式和过去分词都含有-ought4个）bring-brought-broughtbuy-bought-boughtthink-thought-thoughtfight-fought-fought2 .词尾有-ild,-end时，只需把d变为t4build-built-builtlend—lent—lentsend—sent—sentspend-spent-spent3 .过去式、过去分词都含有-aught2个）catch-caught-caughtteach-taught-taught4 .把-eep、-eel变为-ept、-elt3个）keep—kept—keptsleep-slept-sleptsweep一swept-swept5 .把-ell变为-old2个）tell—told—toldsell—sold—sold6 .把-ell、-ill变为-elt或-ilt4个）smell——smelt——smeltspell——spelt——speltfeel—felt—feltspill-spilt-spilt7 .把-eed、-ead、-eet变为-ed或-et4个）feed-fed-fedlead-led-ledspeed-sped-spedmeet-met-met8 .过去式、过去分词都在原形词尾加to（3个）learn-learnt-learntmean-meant-meantspoil-spoilt-spoilt9 .过去式、过去分词词尾去y变-id（4个）say—said—saidpay—paid—paidlay—laid一laidhear-heard-heard10 .改变元音字母。
11个）meet—met—metfeed-fed-fedget—got—gotsit—sat—satfind-found-foundhold—held一heldspit—spat—spatshine-shone-shonewin—won^wonhang-hung-hungdig—dug-duglose—lost—lost11 .改变辅音字母4个）makbmadbmadebuild-built-builtsend-sent-sentspend-spent-spent12 .改变元、辅音字母4个）leave—left—leftstand-stood-stoodhave（has）—had—hadunderstand-understood一understood三、A—B—C型，即原骇、过去式、过去分词都不相同共37个）1 .i—a—u变化7个）begin-began-begundrink-drank-drunksing—sang—sungring-rang—rungswim-swam一swumsink—sank—sunkspring-sprang-sprung2 .词尾为-ow,-aw时，过去式将其变为-ew,过去分词在其原形后加no（5个）blow—blew—blowndraw—drew—drawngrow一grew—grownknow—knew—knownthrow-threw一thrown（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t,须双写d或t后力口n。
4个）（give,hide除外）drive——drove——drivenwrite——wrote——writtenride—rode—riddenrise—rose—risen4 .过去分词在过去式后加n1个）wake—woke-woken5 .过去分词由过去式加-ten构成2个）get-got-gottenforget——forgot——forgotten6 .过去分词由原形加（e）n构成6个）be—was（were）—beeneat—ate—eatenfall—fell—fallengive—gave—givensee—saw一seenhide—hid—hidden（hid）7 .词尾为-ake时，过去式将其变为-ook,过去分词在原形词后加-n2个）take—took—takenmistake-mistook一mistaken8 .原形、过去式和过去分词都不相同6个）do—did—donefly—flew—flowngo—wen-gonelie—lay—lainshow-showed-shownwear—wore-worn9 .词尾为-eak时，过去式将其变为-oke,过去分词在原形词后加-no（2个）break—broke—brokenspeak—spoke—spoken10 .词中间为“oo+辅（1个）+e”或“ee+辅（1个）+e”，过去式将oo、ee变为o,过去分词在原形词后加-n。
2个）choose—chose—chosenfreeze—froze—frozen四、A—A-B型，即过去式和原形相同1个）beat—beat—beaten五、A—B-A型，即过去分词和原形相同3个）1.词中间为“o+辅（1个）+e”时，过去式将o变为a2个）come—came—comebecome—became—become一a—u变化1个）run—ran—run六、情态动词型,（除must外）只有原形和过去式.没有过去分词4个）can—couldmay—mightwill—wouldshall—shouldmust既没有过去式也没有过去分词动词原形过去式过去分词arisearosearisenawakeawoke/awakedawokenbewas/werebeenbearboreborne（携带）/born（出生）beatbeatbeatenbecomebecamebecomebeginbeganbegunbefallbefellbefallenbendbentbentbetbetbetbindboundboundbitebitbitten/bitbleedbledbledblendblendedblentblessblessedblestblowblewblownbreakbrokebrokenbreedbredbredbringbroughtbroughtbroadcastbroadcast/broadcastedbroadcast/broadcastedbuildbuiltbuiltburnburnt/burnedburnt/burnedburstburstburstbuyboughtboughtcastcastcastcatchcaughtcaughtchoosechosechosencleaveclove/cleftcloven/cleftclingclungclungclotheclothed/cladclothed/cladcomecamecomecostcostcostcreepcreptcreptcrowcrowed/crewcrowedcutcutcutdaredared/durstdareddealdealtdealtdigdugdugdodiddonedrawdrewdrawndreamdreamt/dreameddreamt/dreameddrinkdrankdrunkdrivedrovedrivendwelldweltdwelteatateeatenfallfellfallenfeedfedfedfeelfeltfeltfightfoughtfoughtfindfoundfoundfleefledfledflingflungflungflyflewflownforbidforbade/forbadforbiddenforecastforecast/forecastedforecast/forecastedforgetforgotforgottenforgiveforgaveforgivenfreezefrozefrozengainsaygainsaidgainsaidgetgotgottengildgilded/giltgildedgirdgirded/girtgirded/girtgivegavegivengowentgonegravegravedgraven/gravedgrindgroundgroundgrowgrewgrownhanghung/hangedhung/hangedhavehadhadhearheardheardheaveheaved/hovehesved/hovehidehidhiddenhithithitholdheldheldhurthurthurtkeepkeptkeptkneelkneltkneltknowknewknownladeladedladenlaylaidlaidleadledledleanlesnt/leanedlesnt/leanedleapleapt/leapedleapt/leapedlearnlearnt/learnedlearnt/learnedleaveleftleftlendlentlentletletletlielaylainlightlit/lightedlit/lightedloselostlostmakemademademeanmeantmeantmeetmetmetmeltmeltedmeited/moltenmistakemistookmistakenmisunderstandmisunderstoodmisunderstoodoutgrowoutgrewoutgrownovercomeovercameovercomeoverseeoversawoverseenpaypaidpaidproveprovedproved/provenputputputquitquitted/quitquitted/quitreadreadreadrendrentrent。