1.Someone is smoking too much.
I think that man need to stop smoking too much because he will die.
2.You've forgotten your wallet.
I need to come back for it,it might be still there where I've lost it.
3.The television next door is too loud.
I need to go at that man who is listening too laud at that TV and say to turn it slower.
4.Your friend is driving too loud.
My friend needs to drive slower.
5.Your new watch doesn't work
I need to go from where I've bought it and ask for another one.
6.You're late for a dinner party.
I need to apologize and say that it will never happen again.