List of irregular verbs

In case you still don't have the list of English irregular verbs:

Bare Infinitive Simple Past Past Participle
be was/were been
bear bore born
beat beat beaten
become became become
begin began begun
bend bent bent
bind bound bound
bite bit bitten
bleed bled bled
blow blew blown
break broke broken
breed bred bred
bring brought brought
build built built
burst burst burst
buy bought bought
cast cast cast
catch caught caught
choose chose chosen
cling clung clung
come came come
cost cost cost
creep crept crept
cut cut cut
deal dealt dealt
dig dug dug
do did done
draw drew drawn
drink drank drunk
drive drove driven
eat ate eaten
fall fell fallen
feed fed fed
feel felt felt
fight fought fought
find found found
flee fled fled
fling flung flung
fly flew flown
forbid forbade forbidden
forecast forecast forecast
forget forgot forgotten
forgive forgave forgiven
forsake forsook forsaken
freeze froze frozen
get got got
give gave given
go went gone
grind ground ground
grow grew grown
hang hung hung
have had had
hear heard heard
hide hid hidden
hit hit hit
hold held held
hurt hurt hurt
keep kept kept
kneel knelt knelt
know knew known
lay laid laid
lead led led
leave left left
lend lent lent
let let let
lie lay lain
lose lost lost
make made made
mean meant meant
meet met met
mistake mistook mistaken
partake partook partaken
pay paid paid
put put put
read read read
rid rid rid
ride rode ridden
ring rang rung
rise rose risen
run ran run
say said said
see saw seen
seek sought sought
sell sold sold
send sent sent
set set set
shake shook shaken
shed shed shed
shine shone shone
shoe shod shod
shoot shot shot
show showed shown
shrink shrank or shrunk shrunk
shut shut shut
sing sang sung
sink sank sunk
sit sat sat
sleep slept slept
slide slid slid
sling slung slung
slink slunk slunk
slit slit slit
speak spoke spoken
speed sped sped
spend spent spent
spin span or spun spun
spit spit or spat spat
split split split
spread spread spread
spring sprang sprung
stand stood stood
steal stole stolen
stick stuck stuck
sting stung stung
stink stank stunk
stride strode strode
strike struck struck
string strung strung
strive strove striven
swear swore sworn
sweep swept swept
swim swam swum
take took taken
teach taught taught
tear tore torn
tell told told
think thought thought
thrive throve thriven
throw threw thrown
thrust thrust thrust
tread trod trodden
understand understood understood
wake woke woken
wear wore worn
weave wove woven
weep wept wept
win won won
wind wound wound
wring wrung wrung
write wrote written

You must learn it by heart