You guys are funny. All of you.
let me think of the most frequently use in English.
Greetings: such are hello, halo, hi, good morning, evening afternoon, night.
Introduction: my name is, I am...,
Direction: to go, where,
Time: Hour, Minute, Day, week, month, year, when....
and any other utilities around us, radio, TV, Internet, computer, et cetera..
Actually without we are realize we use lots of words in English. Indonesian can be very good in nature to adapted English. So guys, I believe you know much more than I wrote above. keep up!