Chase+ing is spelled chasing. You drop the 'e' and add '-ing'.
The cat was chasing his tail.
You would spell value with -ing on the end as valuing.When you add -ing to a verb, and that verb has a silent E on the end, you get rid of the E.
centering
Practicing
end ear ing
planning
Picning
It is simply 'gossiping'.
It's bullying.
The correct spelling is "gossiping".
That's not proper grammar. In such a case you are determining value. Not value "ing".
There is no such word.The word mercy is a noun. Only verbs have an -ing form.
The correct spelling is "sticking."