§456. Infinitive Mood

Verbs which imply another action of the same subject to complete their meaning take the Infinitive without a subject accusative.

Such are verbs denoting to be able, dare, undertake, remember, forget, be accustomed, begin, continue, cease, hesitate, learn, know how, fear, and the like:—

• hōc queō dīcere (Cat. M. 32), this I can say.
• mittō quaerere (Rosc. Am. 53), I omit to ask.
• vereor laudāre praesentem (N. D. 1.58), I fear to praise a man to his face.
• ōrō ut mātūrēs venīre (Att. 4.1), I beg you will make haste to come.
• oblīvīscī nōn possum quae volō; (Fin. 2.104), I cannot forget that which I wish.
• dēsine id mē docēre (Tusc. 2.29), cease to teach me that.
• dīcere solēbat, he used to say.
• audeō dīcere, I venture to say.
• loquī posse coepī, I began to be able to speak.