Should I drink Coke?
Should I eat junk food?
We should appologize to our mum.
You should do your homework.
Should they play football in classroom?
He should be more polite.
You must put your seatbelt when the plane takes off.
They must clean their rooms.
We must learn for our exams, otherwise mum will be very angry.
She must drink plenty of water, if she wants to be healthier.
He must serves us with food, otherwise he'll be fired.
I must wash all the dishes.
They must tell their mum the story about their bad mark.
She and he must shop for their neighbour.
We must go to the park and feed the birds.
You must brush your teeth twice a day.
