Wa firdaus opening a whole can of worms eh...bahaya..later vroom vroom wor....
Jokes aside we do try to speak 'correct grammar' english but i also found some peninsula dudes speaks great english specially those who works in bigger MNCs.

allinuff, of course when you speak to the other party you have to think 1st if they can understand or not ma. You go mamak of coz you speak their lingo. Tak kan you go tamu ground you speak queen's english?