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.
رضا: As far as I use the words, they're interchangable in your example. Have to and must do not mean the same thing though. Have is a tricky word and has lots of meanings. Must is fairly straight forward. You left out "got" by the way.
When do we got to do something?
This isn't normally an acceptable usage as far as grammartarians will say, but like the word "ain't" it is often said.
(gem) Hvis du vil spare båndbrede kan du reducere mængden af information der vises på dine sider under indstillinger. Prøv at ændre antallet af spil på hovedsiden og antallet af beskeder per side. (pauloaguia) (vis alle tips)