Adverbs of manner tell us how something happens. They are usually placed either after the main verb or after the object.
Adverbs of manner are usually formed from adjectives by adding –ly:
bad > badly; quiet > quietly; sudden > suddenly
A few adverbs of manner have the same form as the adjective:
They all worked hard.
She usually arrives late.
I hate driving fast.
How to pronounce this adverbs in German and English: