§454. Infinitive Mood

The Infinitive is used as the apparent Subject with many impersonal verbs and expressions:

Such are libet, licet, oportet, decet, placet, vīsum est, pudet, piget, necesse est, opus est, etc.:—

• libet mihi cōnsīderāre (Quinct. 48), it suits me to consider.
• necesse est morī (Tusc. 2.2), it is necessary to die.
• quid attinet glōriōsē loquī nisi cōnstanter loquāre (Fin. 2.89), what good does it do to talk boastfully unless you speak consistently?
• neque mē vīxisse paenitet (id. 84), I do not feel sorry to have lived.
• gubernāre mē taedēbat (Att. 2.7.4), I was tired of being pilot.