有规律，但规律也存在变化

大多数以“t”结尾的不规则动词，过去式、过去分词和原型一样。称之为AAA型。

Let-let-let

cut-cut-cut

put-put-put

hit-hit-hit

rid-rid-rid

set-set-set

hurt-hurt-hurt

cast-cast-cast

cost –cost-cost

read-read-read

shut-shut-shut

burst-burst-burst

split-split-split

sweat-sweat-sweat

thrust-thrust-thrust

spread-spread-spread

broadcast-broadcast-broadcast

原型与过去式相同，但与过去分词不同，AAB型

beat-beat-beaten

原型与过去分词相同，ABA型

come-came-come

become-became-become

run-ran-run

原型、过去式、过去分词都不同的动词，称为ABC型

see-saw-seen

begin-began-begun

drink-drank-drunk

ring-rang-rung

sing-sang-sung

sink-sank-sunk

fly-flew-flown

swim-swam-swum

know-knew-known

show-showed-shown

blow-blew-blown

grow-grew-grown

draw-drew-drawn

drive-drove-driven

rise-rose-risen

take-took-taken

write-wrote-writen

ride-rode-ridden

hide-hid-hidden

eat-ate-eaten

fall-fell-fallen

break-broke-broken

steal-stole-stolen

speak-spoke-spoken

choose-chose-chosen

freeze-froze-frozen

forget-forgot-forgotten

ABB型非常普遍，数量非常多，但还算有规律可循

1.动词原型后面加“t”或者“d”变成过去式和过去分词

mean-meant-meant

spoil-spoilt-spoilt

hear-heard-heard

2.词尾是end时，把“d”变成“t”变成过去式和过去分词

lend-lent-lent

send-sent-sent

spend-spent-spent

3.把元音字母“i”或者“e”改成a;o;u等

win-won-won

sit-sat-sat

get-got-got

stick-stuck-stuck

hold-held-held

4.改成-aught或-ought结尾

bring-brought-brought

buy-bought-bought

fight-fought-fought

think-thought-thought

catch-caught-caught

teach-taught-taught

5.-ay结尾的词变成-aid

Pay-paid-paid

Lay下蛋-laid-laid

Say-said-said

-eep结尾的词，改成-ept

Sleep-slept-slept

Keep-kept-kept

Sweep-swept-swept

6.其他

lose-lost-lost

find-found-found

have-had-had

make-made-made

hang-hung-hung

feel-felt-felt

leave-left-left

shoot-shot-shot

dig-dug-dug