Compléter Modals 1Version en ligne Modals of obligation, prohibition, no obligation and advice. par Isabel Gallego Chaves 1 have doesn't have don't to mustn't must to mustn't must to must must have must have to don't mustn't has must to * Drivers and passengers wear seatbelts in cars . * You wash up , we have a dish - washer . * Ian get up early to catch the bus to school . * If you feel sick , you take a pill and go to bed . * Joan park on the pavement , she can get a ticket from the police . * The printer hasn't got ink , somebody go to the shop and buy some . * You eat meat if you are a vegetarian . * I tidy my room every Saturday . * Shop - assistants sell alcoholic drinks to teenagers under 18 . * Cloe is starving , she have something to eat . * Alan catch the bus home , I will pick him up . * If you don't want to get sunburnt , you wear sun lotion . * Police dogs be brave and obedient . * Swimmers swim in the sea with a red flag .