La lista aquí abajo muestra los verbos irregulares más importantes, o sea los que no forman el pasado con el sufijo -ed. Vale la pena de aprender estos verbos y su conjugación a memoria.

infinitivo past participio II italiano
awake awoke awoken despertar
be was, were been ser
bear bore borne soportar
beat beat beaten golpear
become became become (para describri cambios)
begin began begun comenzar
bend bent bent torcer
bet bet bet apostar
bid bid bid ofrecer
bind bound bound amarrar
bite bit bitten morder
blow blew blown soplar
break broke broken quebrar
bring brought brought traer
build built built construir
burn burned, burnt burned, burnt arder
buy bought bought comprar
catch caught caught atrapar
choose chose chosen elegir
come came come venir
cost cost cost costar
creep crept crept arrastrar
cut cut cut cortar
deal dealt dealt actuar
dig dug dug cavar
do did done hacer
draw drew drawn tirar
dream dreamed, dreamt dreamed, dreamt soñar
drive drove driven conducir
drink drank drunk beber
eat ate eaten comer
fall fell fallen cayer
feed fed fed dar de comer
feel felt felt sentirse
fight fought fought luchar
find found found encontrar
fly flew flown volar
forget forgot forgotten olivdar
forgive forgave forgiven perdonar
freeze froze frozen tener frío
get got got,gotten recibir
give gave given dar
go went gone ir
grow grew grown crecer
hang hung hung colgar
have had had tener
hear heard heard ecuchar
hide hid hidden esconder
hit hit hit golpear
hold held held tener (en la mano)
hurt hurt hurt herirse
keep kept kept mantener
know knew known conocer
lay laid laid poner
lead led led guiar
learn learned, learnt learned, learnt aprender
leave left left salir
lend lent lent prestar
let let let dejar
lie lay lain meter
light lit lit encender
lose lost lost perder
make made made hacer
mean meant meant significar
meet met met encontrar
pay paid paid pagar
put put put poner
read read read leer
ride rode ridden cabalgar
ring rang rung sonar
rise rose risen alzarse
run ran run correr
say said said decir
see saw seen ver
sell sold sold vender
send sent sent mandar
show showed showed,shown mostrar
shut shut shut tirar
sing sang sung cantar
sink sank sunk hundir
sit sat sat sentarse
sleep slept slept dormir
smell smelled, smelt smelled, smelt holer
speak spoke spoken hablar
spend spent spent gastar
spread spread spread extenderse
stand stood stood estar de pie
steal stole stolen robar
stick stuck stuck pegar
strike struck struck chocar
swear swore sworn jurar
sweep swept swept barrer
swim swam swum nadar
swing swung swung oscilar
take took taken tomar
teach taught taugh enseñar
tear tore torn desgarrar
tell told told contar
think thought thought pensar
throw threw thrown tirar
understand understood understood entender
wake woke woke(n) despertar
weave wove woven tejer
win won won ganar
write wrote written escribir