past participle (present perfect tense) of 'see'
seen
past participle (present perfect tense) of 'be'
been
past participle (present perfect tense) of 'do'
done
past participle (present perfect tense) of 'have'
had
past participle (present perfect tense) of 'make'
made
past participle (present perfect tense) of 'got'
got
past participle (present perfect tense) of 'work'
worked
past participle (present perfect tense) of 'eat'
eaten
past participle (present perfect tense) of 'know'
known
past participle (present perfect tense) of 'travel'
travelled
past participle (present perfect tense) of 'drink'
drunk
past participle (present perfect tense) of 'find'
found
past participle (present perfect tense) of 'break'
broken
past participle (present perfect tense) of 'fly'
flown
past participle (present perfect tense) of 'take'
taken
past participle (present perfect tense) of 'tell'
past participle (present perfect tense) of 'understand'
understood
past participle (present perfect tense) of 'grow'
grown
past participle (present perfect tense) of 'teach'
taught
past participle (present perfect tense) of 'wear'
worn