Réponse :
1. Amanda does her homework in the evening.
She doesn’t do her homework in the morning.
2. My teacher works at school.
He / She doesn’t work in a park.
3. I play in the park with my friends.
We don’t play in my house.
4. I clean my teeth in the morning and at night.
I don’t clean my teeth in the afternoon.
5. My brother sleeps in his bed.
He doesn’t sleep on the floor.
Explications :
Pour mettre une phrase à la forme négative au présent, il suffit d'ajouter don't ou doesn't + base verbale ( c'est à dire le verbe sans "to" )
( Sauf avec le verbe "be" ==> am not / isn't / aren't )
Exemple ( verbe to eat )
I don't eat
You don't eat
He/She / It doesn't eat
We don't eat
You don't eat
They don't eat