Portuguese verbs are also derived in 3 moods.

Indicative - This mood is used to express definite facts(I speak; I drink; I would leave etc).

Subjunctive - This mood is used to express an unsure fact or a wish etc.(may be I will speak; if you drank; whenever you learn etc)

Imperative - This is used to express a command, a order, a wish, a advice etc.(speak slowly; sit down etc)

Now let us observe the forms of regular verbs.