下面是不规则动词的原形、过去式、过去分词变化分类,
【AAA型】：
cost cost cost
cut cut cut
put put put
read read read
set set set
shut shut shut
hit hit hit
hurt hurt hurt
let let let
【ABB型】：
(原形→aught/ought→aught/ought)
*catch caught caught
*teach taught taught
bring brought brought
buy bought bought
think thought thought
(原形→元音变化→元音变化)
sit sat sat
meet met met
find found found
get got got
stand stood stood
understand understood understood
win won won
hold held held
shine shone shone
dig dug dug
hang hung/hanged hung/hanged
(原形→ “…t” → “…t”)
lose lost lost
build built built
spill spilt spilt
spoil spoilt spoilt
send sent sent
spend spent spent
smell smelt smelt
feel felt felt
mean meant meant
learn learnt/learned learnt/learned
lend lent lent
(原形→ “…d” → “…d”)
hear heard heard
make made made
have(has) had had
pay paid paid
say said said
lay laid laid
sell sold sold
tell told told
(“ee/ea” → “e..t” → “e..t”)
sleep slept slept
sweep swept swept
keep kept kept
leave left left
【ABC型】：
(原形→变形→原形+en/ne)
be(am,is) was been
be(are) were been
see saw seen
do did done
go went gone
beat beat beaten
eat ate eaten
give gave given
hide hid hidden
fall fell fallen
mistake mistook mistaken
take took taken
drive drove driven
rise rose risen
ride rode ridden
write wrote written
(原形→ “-o-” → “o…en”)
break broke broken
speak spoke spoken
choose chose chosen
forget forgot forgotten
freeze froze frozen
wake woke/waked woken/waked
(原形→ “ew” → “own”)
draw drew drawn
blow blew blown
show showed shown
fly flew flown
grow grew grown
throw threw thrown
know knew known
(原形→ “-a-” → “-u-”)
begin began begun
ring rang rung
drink drank drunk
sing sang sung
sink sank/sunk sunk/sunken
swim swam swum
wear wore worn
【其他】
lie lay lain
【ABA型】
become became become
come came come
run ran run
【AB型】(无过去分词)
may might
must must
can could
shall should
will would