Réponse : (je ne suis pas forte mais je t’aide comme je peux)
pour exprimer l’obligation soit c’est Must/Mustn’t et have/don’t have (je crois) tu peux utiliser les 2.
a) I have to tidy my room at home.
I don’t have to wash the car.
I must make my bed in the morning after I woke up.
I mustn’t tell lies.
b) do you have to wash your car?
Do you have to make your bed in the morning?
Do you have to look after your sisters or brothers ?
Do you have to do the washing up?
