Envious

Which one of the following is not a noun?

Walking is called the best exercise. Here Exercise is an/a -

I like the reading of Geography. Here " reading" is ___

I saw the man singing. Here "singing" is ___

He was a rather disagreeable man. Here disagreeable is a/an

The class was held ‘online’ Here ‘online’ is-

Which one is Noun?

Go & catch the falling star. Here falling is an/a-

Please, Come in. Here "in" is a/an.......?

Noun of the simple is

Change the word( clean) into verb

The verb form of Money is-

A rolling stone gathers no moss.What 'rolling' is?

He went mad. Here "went" verb is-

The word 'heartening' is a/an-

A colleague of ___ has lent us ___ holiday cottage for a week.

All the four pens are missing.Here,'all the four'-