grammar the use of the preposition on

[hhs010120]

Hi, teachers
Please check if the next sentence is okay.

I wrote it in order to urge parents to pay a compliment to their children on making efforts to achieve tasks.

Thanks in advance.

 

[Tarheel]

Say:

Please compliment your kids for trying. Tell them you appreciate the effort.

(You can thank me with "Thanks" or "Likes".)

 

[emsr2d2]

I wrote to parents, urging them to compliment their kids whenever they try to achieve something.

 

[Raymott]

It's correct, but very unnatural in that sentence. It's not often used that way in speaking.
"Please wipe feet on entering." (sign); "The warning lights will dim on starting the engine." (leaflet).

 

[teechar]

I wrote it to urge parents to compliment their children for making great efforts.