where the infinitive is used as a noun: for the poet by nostrum vivere means nostram vitam. We also at times use the verb for the participle, as in the phrase,
nostrum istud vivere triste aspxei,Pers. i. 9.1
where ferre is used for ferendum, or the participle may be used for the verb, as in the phrase volo datum (I wish to give).
magnum dat ferre talentum,Aen. v. 248.2