Réponse :
You must read the instructions carefully before you use the machine.
Children are always very noisy. Don't you think she paints beautifully?
She will understand anything you tell her. You can talk to her freely.
He plays tennis very good (ou "well" à la place de good ça serait mieux). They gave us a very warm welcome. Don't drive so fast it's dangerous! When I arrived, he was sitting comfortably in an armchair. We worked hard all day.
Explications :
Je pense qu'il faut ajouter "ly" à l'adjectif quand il donne des informations sur le verbe.