1: You must drink your milk.
Tu dois boire ton lait.
2:Robin can't come now because he is busy.
Robin ne peut pas venir maintenant parce qu'il est occupé.
3:His mother speaks very good English but she must learn Italian.
Sa mère s'exprime très bien en anglais mais elle doit apprendre l'italien.
2: a :She must write a letter.
b: Can I go out?
c: You mustn't come today.
3
a: Can you play with me?
b: You mustn't drink coffee.
c: Mom I can help you.
d: Teacher i can't come to school tomorrow.