Ask questions or just talk about different languages. Since BrainKing is an international game site supporting many languages, this board can be kind of useful.
Marfitalu: But your choices are in contradiction with what that link says. According to the link, in the first one you must (?) use have to since it's an as the link puts it, outward authority, an din the second one, you must (?) use must since afterall it's an option.