-ly (in a way)
-ly
Makes adverbs: in a certain way.
Meera spoke softly so the baby would not wake.
Quickly
At a fast speed.
Vikram quickly packed his bag for the trip.
Happily
In a happy way.
The children played happily in the park.
Remember: Usually add -ly: quick → quickly. y → i: happy → happily. full → fully; gentle → gently. Careful: friendly and lovely are adjectives, not adverbs.