Verbos derivados (satisfazer, prever)

Old friends in disguise

Portuguese builds new verbs by prefixing old ones — and the new verb keeps the old conjugation, irregularities included:

derivedbaseso...
satisfazerfazersatisfaço, satisfez, satisfeito
preververprevejo, prevê, previu, previsto
impedirpedirimpeço, impedes, impediu
He forecasts rain for tomorrow.
Ele prevê chuva para amanhã.

The same rule covers the whole family you will keep meeting: compor (pôr), conter (ter), intervir (vir). Learn the base once, read them all.

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