不规则动词的过去式和过去分词表如下：
A-A-A型 ：即原型、过去式和过去分词三者都相同。
cost: cost
cut: cut
hit: hit
hurt: hurt
let: let
put: put
read: read
shut: shut
set: set
fit: fit
A-B-B型：
即过去式和过去分词都相同。
get: got
sit: sat
find: found
meet: met
feed: fed
lead: led
win: won
spit: spat
lose: lost
dig: dug
stand: stood
hold: held
understand: understood
swing: swung
make: made
have / has: had
lend: lent
spend: spent
send: sent
build: built
spill: spilt
bend: bent
mean: meant
keep: kept
feel: felt
leave: left
sleep: slept
sweep: swept
其他不规则动词
become: became
bet: betted
bid: bid
burn: burnt
learn: learned / learnt
hear: heard
build: built
lend: lent
spend: spent
send: sent
shed: shed
shave: shaved
shear: sheared
shall: should
burst: burst
cast: cast
cost: cost
cut: cut
hit: hit
hurt: hurt
let: let
put: put
read: read
throw: threw
value: valued
建议：
学习不规则动词时，可以将其过去式和过去分词与现在式进行对比，加深记忆。
制作一张卡片，列出每个不规则动词的原形、过去式和过去分词，方便随时复习。
多做练习，通过实际应用来巩固记忆。