What must you do?
I must wash my hands.
What must you do in the evening?
I must have a shower.
What musn't you do?
I musn't use my phone to much.
What must you do?
I must read books.
What musn't you do?
I mustn't play too many games.
What must you do in the morning?
I must brush my teeth.
What musn't you do?
I musn't eat too much french fries.
What must you do in the morning?
I must have breakfast?
What must you do?
I must eat vegetables/healthy food.