1动词过去式,过去分词不规则变化类型及记忆AB型cancouldshallshouldwillwouldmaymightAAA型costcostcostcutcutcuthithithithurthurthurtletletletmustmustmustputputputsetsetsetshutshutshutreadreadreadAAB型beatbeatbeatenABA型becomebecamebecomecomecamecomerunranrunABB型bringbroughtbroughtbuyboughtboughtthinkthoughtthoughtcatchcaughtcaughtteachtaughttaughtbuildbuiltbuiltlendlentlentsendsentsentspendspentspentdigdugdughanghunghungfeelfeltfeltkeepkeptkeptsleepsleptsleptsweepsweptsweptleaveleftleftsmellsmeltsmeltspillspiltspiltlaylaidlaidpaypaidpaidsaysaidsaidsellsoldsoldtelltoldtoldsitsatsatspitspatspatstandstoodstoodunderstandunderstoodunderstoodlearnlearntlearntmeanmeantmeantspoilspoiltspoiltshineshoneshonewinwonwonhavehadhadmakemademadehearheardheardfindfoundfoundholdheldheldABC型beginbeganbegundrinkdrankdrunkringrangrungsingsangsungsinksanksunkswimswamswumblowblewblownflyflewflowngrowgrewgrownknowknewknownthrowthrewthrowndrawdrewdrawnshowshowedshownbreakbrokebrokenchoosechosechosenforgetforgotforgottenfreezefrozefrozenspeakspokespokenwakewokewokendrivedrovedriveneatateeatenfallfellfallengivegavegivenhidehidhiddenrideroderiddenriseroserisentaketooktakenmistakemistookmistakenwritewrotewrittenam,iswasbeenarewerebeendodiddonegowentgonelielaylainseesawseenwearworeworn易错型showshowedshowndrawdrewdrawnfallfellfallenfeelfeltfeltholdheldheldhelphelpedhelpedthinkthoughtthoughtthankthankedthankedtaketooktakentalktalkedtalkedgetgotgotforgetforgotforgottenmeetmetmetmeanmeantmeanthithithithidehidhiddenringrangrungbringbroughtbroughteatateeatenbeatbeatbeatenlielaylainlaylaidlaidfindfoundfoundfoundfoundedfoundedbuyboughtboughtbringbroughtbroughtlearnlearntlearnthearheardheard规则动词的过去式由“动词原形+-ed”构成，具体变化有：1.直接在词尾加-ed。如:want—wanted,work—worked,need—needed,clean—2cleaned2.以不发音的e结尾的在词尾加-d。如：like—liked,live—lived,use—used,move—moved3.以一个元音字母加一个辅音字母结尾的重读闭音节动词，先双写结尾的辅音字母，再加-ed。如：stop—stopped,trip—tripped4.以辅音字母加y结尾的动词，先把y变成i，再加-ed。如：study—studied,carry—carried,hurry—hurried,marry—married不规则动词的过去式见课本后的不规则动词表。大体上归纳有以下六条记忆法：1.以t结尾的词，过去式与原形相同。如：put—put,let—let,cut—cut,beat—beat2.以d结尾的词，把d变成t。如:build—built,lend—lent,send—sent,spend—spent3.以n结尾的词，在词后加t。如：mean—meant,burn—burnt,learn—learnt4.以ow/aw结尾的词，把ow/aw变成ew。如：blow—blew,draw—drew,know—knew,grow—grew5.含有双写字母的词，将双写改为单写，在词尾加t。如：keep—kept,sleep—slept,feel—felt,smell—smelt6.含有元音字母o/i的词，将o/i变成a。如：sing—sang,give—gave,sit—sat,drink—drank规则动词词尾加-ed有三种读音：1.在清辅音后读作[t]。如：asked,helped,watched,stopped2在浊辅音和元音后读作[d]。如：enjoyed,studied,moved,called3.在t/d后读作[id]。如：wanted,needed
