Regular Adverbs (usually formed by adding -ly)

She speaks clearly during presentations.

He finished his homework quickly.

The baby slept peacefully through the night.

They worked carefully on the project.

The teacher explained the lesson slowly.

Irregular Adverbs (do not follow the -ly pattern)

She sings well in the choir.

He runs fast during races.

They arrived early for the meeting.

The children played hard all afternoon.

She worked late to finish the report.