1 tn The verb is אוּכַל (’ukhal) in a question – “am I able?” But emphasizing this is the infinitive absolute before it. So Balaam is saying something like, “Can I really say anything?”
2 tn The Piel infinitive construct (without the preposition) serves as the object of the verb “to be able.” The whole question is rhetorical – he is saying that he will not be able to say anything God does not allow him to say.
3 tn The imperfect tense is here taken as an obligatory imperfect.