 Participles can be used in different ways than ordinary adjectives and they can have an object.This is formed in the same way as the passive perfect or passive past-perfect forms, by taking the passive past form, removing the "-tiin" ending and replacing it with "-ttu/tty" (depending on vowel harmony)

Basically this is formed by removing the infinitive ending and adding "-nut/nyt" (depending on vowel harmony) and in some cases "-lut/lyt", "-sut/syt", "-rut/ryt".For example