Relier Pairs INFINITIVES Version en ligne 1st grade JH par Zyanya Rioja 1 You should 2 We use Infinitives without the word to when they come after modals: 3 Infinitives have two forms: 4 it is forbidden 5 There are three uses of the word to before the Infinitive: with to before the verb, and without to. to play in the park right now. study to get a 10 at the exam. 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 Can, could, may, might, shall, would, should, and must.