Relacionar Columnas INFINITIVES Versión en línea 1st grade JH por Zyanya Rioja 1 We use Infinitives without the word to when they come after modals: 2 Infinitives have two forms: 3 There are three uses of the word to before the Infinitive: 4 You should 5 it is forbidden 1. To indicate an intention 2. After specific main verbs like agree, forbid, fail, begin, choose, decide, prepare, try, want, etc. 3. After specific adjectives to play in the park right now. with to before the verb, and without to. study to get a 10 at the exam. Can, could, may, might, shall, would, should, and must.