Ostaa ^{(Verb type1)}

1. (transitive) to buy, purchase
2. (transitive, colloquial) to believe, accept (a story, etc.)

The present, imperfect, perfect, and pluperfect (past perfect) tenses in English correspond to "speaks", "spoke", "has spoken", and "had spoken".

The conditional present and perfect moods in English typically correspond to "would" and "would have".