Question

Lachmi chatted away merrily.(use the noun form of 'merrily')

Answer 1

first clearly describe what you want to know...

I think the noun form of merrily can be 'abstract noun' as merrily is a type of feeling and feeling are described by abstract nouns.

Answer 2

Answer:

The sentence in the noun form of merrily shall be:

Lachmi chatted away with merry.

Explanation:

Merry in the above sentence is a noun that refers to the feeling of Lachmi when he chatted away.

The sentence can also be twisted in a number of ways to make merry into different forms other than a noun.

Hope the above answer and explanation helps you out.