Answer:
What comes one time in today, three times in tomorrow and never in the future?
What has roots that nobody sees, and is taller than trees. Up, up it goes, and yet it never grows.
What do we see every day, kings see rarely, and God never sees?
How can a pants pocket be empty and still have something in it?
What comes in many varieties and can't be seen or touched, but it often makes you move?
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?