英语动词按其过去式和过去分词的构成方式可分为规则动词和不规则动词。规则动词的过去式和过去分词由词尾加ed构成，而不规则动词的变化因词而异。但如对不规则动词的过去式和过去分词做一分析，就可发现其中的“规则”。为方便同学们记忆，现将初中英语教学大纲中的69个不规则动词的原形、过去式和过去分词列出并规为五种类型。同学们还可将第二、三类分为若干组，以便准确记忆。
一、
AAA型（原形、过去式和过去分词同形）：
cost
cost
cost
cut
cut
cut
let
let
let
put
put
put
read
read
read
二、
二、ABB型（过去式与过去分词同形）：
bring
brought
brought
build
built
built
buy
bought
bought
catch
caught
caught
dig
dug
dug
feel
felt
felt
find
found
found
get
got
got
have
had
had
hear
heard
heard
hold
held
held
keep
kept
kept
※learn
learnt
learnt
leave
left
left
lend
lent
lent
make
made
made
meet
met
met
pay
paid
paid
say
said
said
sell
sold
sold
send
sent
sent
shine
shone
shone
sit
sat
sat
sleep
slept
slept
※smell
smelt
smelt
spend
spent
spent
stand
stood
stood
teach
taught
taught
tell
told
told
think
thought
thought
understand
understood
understood
三、
ABC型（原形、过去式和过去分词各异）：
be
was/were
been
begin
began
begun
blow
blew
blown
break
broke
broken
do
did
done
draw
drew
drawn
drink
drank
drunk
drive
drove
driven
eat
ate
eaten
fall
fell
fallen
fly
flew
flown
forget
forgot
forgotten
give
gave
given
go
went
gone
grow
grew
grown
know
knew
known
lie
lay
lain
ride
rode
ridden
ring
rang
rung
see
saw
seen
show
showed
shown
sing
sang
sung
speak
spoke
spoken
swim
swam
swum
take
took
taken
throw
threw
thrown
wake
woke
woken
wear
wore
worn
write
wrote
written
四、
四、ABA型（原形与过去分词同形）：
become
became
become
come
came
come
五、AAB型（原形与过去式同形）：
beat
beat
beaten
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