Question

Naveen went fastly correct the following sentence​

Answer 1

This is the answer - Naveen went swiftly

Answer 2

Naveen went fast.

• The word 'fastly' is incorrect and meaningless.
• The word 'fast' means to move with a great speed. It can be used as an adjective, adverb or verb. However, it cannot be changed into any other form.
• In the given sentence, the word 'fast' has been used as an adverb( adverb of manner).