probation [prəˈbeɪʃn] noun 1. [of prisoner] libertad f condicional to put somebody on probation poner a alguien en libertad condicional 2. [trial period] periodo m de prueba to be on probation estar en periodo de prueba
Complétez la séquence avec la proposition qui convient. We're late, we … take a taxi to catch the plane! don't have to have to mustn't