Many of us prefer to use this expression when expressing leave taking :
" I'm sorry, i need to go first... "
Is this expression correct or another Manglish like "where got?", "can or not?", "got or not?', etc.
These are the correct ways of expressing leave-taking :
I am sorry, but i have to go
I have to leave now, i will see u later.
I must be getting along. It is getting late.
Have a try !