Adverbs are words like kindly, nicely, now, tomorrow and around. They modify verbs. Adverbs can also modify adjectives and other adverbs.
There are mainly three types of adverbs:

Adverbs of manner
Adverbs of place
Adverbs of time

Adverbs of manner

Most adverbs ending in –ly are adverbs of manner. Examples are: kindly, quickly, smartly, eagerly, pleasantly, soundly, merrily etc.

Adverbs of place

Adverbs of place tell us where the action takes place. Examples are: around, in, outside, upstairs, downstairs etc.

Adverbs of time

Adverbs of time tell us when the action takes place. Examples are: now, then, today, tomorrow, yesterday, evening etc.

In the following sentences underline the adverbs and state their kind.

1. The girl sang sweetly.

2. What is he doing outside?

3. He practices cricket every day.

4. I look forward to hearing from you soon.

5. The old woman was walking slowly.

6. The kittens are playing there.

7. Children usually rush about.

8. The girls danced gracefully.

9. She has travelled everywhere.

Answers

1. The girl sang sweetly. (Adverb of manner)

2. What is he doing outside? (Adverb of place)

3. He practices cricket every day. (Adverb of time)

4. I look forward to hearing from you soon. (Adverb of time)

5. The old woman was walking slowly. (Adverb of manner)

6. The kittens are playing there. (Adverb of place)

7. Children usually rush about. (Adverb of manner)

8. The girls danced gracefully. (Adverb of manner)

9. She has travelled everywhere. (Adverb of place)