动词过去式和过去分词不规则变化的规律有哪些？
AB型
（动词过去式过去分词不规则变化）
ca
couldAAA型
shallshouldwillwouldmaymight
costcostcostcutcutcut
setsetsetAAB型
shutshutshut
hithithithurthurthurtreadreadread
etletlet
mustmustmust
putputput
beatbeatbeate
ABA型
becomebecamebecomeABB型
comecamecomeru
ra
ru
bri
gbroughtbroughtbuyboughtboughtthi
kthoughtthought
catchcaughtcaught
teachtaughttaughtbuildbuiltbuilt
le
dle
tle
t
se
dse
tse
t
spe
dspe
tspe
t
digdugdug
ha
ghu
ghu
g
feelfeltfelt
keepkeptkept
sleepsleptslept
sweepsweptswept
leaveleftleft
smellsmeltsmelt
spillspiltspilt
laylaidlaid
paypaidpaid
saysaidsaid
sellsoldsold
telltoldtold
sitsatsat
spitspatspat
sta
dstoodstood
u
dersta
du
derstoodu
derstoodlear
lear
tlear
t
mea
mea
tmea
t
spoilspoiltspoilt
shi
esho
esho
e
wi
wo
wo
havehadhad
makemademade
hearheardheard
fi
dfou
dfou
d
holdheldheld
ABC型
begi
bega
begu
dri
kdra
kdru
k
ri
gra
gru
g
si
gsa
gsu
g
si
ksa
ksu
k
swimswamswum
blowblewblow
flyflewflow
growgrewgrow
k
owk
ewk
ow
throwthrewthrow
drawdrewdraw
showshowedshow
breakbrokebroke
choosechosechose
forgetforgotforgotte
freezefrozefroze
speakspokespoke
wakewokewoke
drivedrovedrive
eatateeate
fallfellfalle
givegavegive
hidehidhidde
rideroderidde
riseroserise
taketooktake
mistakemistookmistake
writewrotewritte
amiswasbee
arewerebee
dodiddo
e
gowe
tgo
e
lielaylai
seesawsee
wearworewor
易错型
showshowedshow
helphelpedhelpedtalktalkedtalked
drawdrewdraw
fallfellfalle
feelfeltfelt
thi
kthoughtthought
tha
ktha
kedtha
ked
getgotgotforgetforgotforgotte
meetmetmet
holdheldheldtaketooktake
mea
mea
tmea
t
hithithit
hidehidhidde
ri
gra
gru
g
beatbeatbeate
lielaylai
laylaidlaid
buyboughtbought
bri
gbroughtbrought
bri
gbroughtbrought
eatateeate
fi
dfou
dfou
dfou
dfou
dedfou
ded
lear
lear
tlear
t
hearheardheard
f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wa
twa
tedworkworked
eed
eededclea
clea
ed2以不发音的e结尾的在词尾加d。如：likelikedliveliveduseusedmovemoved3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：stopstoppedtriptripped4以辅音字母加y结尾的动词，先把y变成i，再加ed。如：studystudiedcarrycarriedhurryhurriedmarrymarried
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：putputletletcutr
