1. Non-3D = “on”
2. 3D = eliminate “on” 
3. Directional Verb = eliminate “on”
4. Time = eliminate “on”
5. Topic = “relate"

Non-3D = "on"
They now on news.
(They are on news.)

Celebrate on my birthday.

3D = eliminate "on"
Money 3D-on pointing table. 
(The money is on the table.)

Stand pointing top mountain 3D-stand-on.
(Stand on the top of the mountain.)

Directional Verb = eliminate "on"
I need focus-on my work.
(I need to focus on my work.)
​
Sit pointing floor.
(Sit on the floor.)

Keep-on walking.
(Keep on walking.)

Time = eliminate "on"
See you Monday.
(See you on Monday.)

We came first day.
(We came on the first day.)

Topic = "relate"
This self good good relate gun control.
(This is a good documentary on gun control.)

I have my view relate government.
(I have my view on government.)