You probably will go, too, if he wants to talk to me, you have to greet me.
You're too busy to talk to me if you add me to it.
You must be very busy, if you want to talk to me you greet me.
You must be very busy, if you want to talk to me. You greet me.
If you would be too busy to talk to me. I'll add you
You probably will go, too, if he wants to talk to me, you have to greet me.