Adverbs of manner describe how you do an action
> well, badly, slowly, fast, easily, happily, carefully, fluently, perfectly
Adverbs of manner are put:Before another adverb or adjective > It's a very expensive e-bike.
At the end of a sentence > The mechanic works hard
Before the main verb > They quietly listened to the teacher.
But never between a main verb and the object > They listened to the teacher quietly.