[*] 499. By later writers and the poets the Future Participle is often used in simple agreement with a substantive to express—
- Likelihood or certainty:—
- Purpose, intention, or readiness:—
- “ēgreditur castrīs Rōmānus vāllum invāsūrus” (Liv. 3.60.8) , the Roman comes out of the camp with the intention of attacking the rampart.
- dispersōs per agrōs mīlitēs equitibus invāsūrīs (id. 31.36), while the horse were ready to attack the soldiers scattered through the fields.
- “sī peritūrusabīs ” (Aen. 2.675) , if you are going away to perish.