Irregular past participles: messo (put), concesso (conceded), oppresso (oppressed)

The verbs mettere (to put), concedere (to concede, to grant, to allow) and opprimere (to oppress), and other verbs derived from them, all have irregular past participles. They are all similar to each other, though, and all end in -esso:

  • mettere: messo
  • concedere: concesso
  • opprimere: oppresso

We use these past participles the same way we use regular past participles, following the same rules. 

Hai messo il maglione blu?

Have you put the blue sweater on?

Hanno concesso un aumento a Carlotta.

They have granted Carlotta a raise.

Queste leggi hanno oppresso la popolazione.

These laws have oppressed the people. 

Note: other verbs derived from these verbs work the same way. Examples: esprimere → espresso (to express → expressed); succedere → successo (to happen → happened); reprimere → represso (to repress → repressed) and verbs that come from mettere (to put) like permettere (to permit), promettere (to promise), ammettere (to admit) and scommettere (to bet).

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