Irregular past participles: conoscere (to know, to meet) and crescere (to grow, to grow up)

The verbs conoscere (to know) and crescere (to grow), along with their derivatives, have irregular past participles. They are, however, similar, and all end in -iuto.

  • conoscere (to know, to meet): conosciuto (knew, met)
  • crescere (to grow, to grow up): cresciuto (grew, grew up)

These irregular participles follow the same rules as regular past participles.

Avete già conosciuto nostro fratello?

Have you (already) met our brother?

Dove siete cresciuti?

Where did you guys grow up?

Note: verbs that derive from conoscere and crescere behave in the same way, such as riconoscere → riconosciuto (to recognize → recognized), disconosceredisconosciuto (to deny → denied), ricrescere → ricresciuto (to grow back → grown back) and accrescere → accresciuto (to increase → increased).

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