1 You mustn't swim here. 3 You shouldn't run here. 3 Match 1-5 with a-h. There are three letters you do not need to use. a Only pupils should run here. 2 You have to be a pupil to go on the trip. - b It's never a good idea to eat and then swim c Pupils must have a ticket d Be careful. It's not safe to run here. 4 You don't have to buy a ticket. 5 You shouldn't swim after eating. e Pupils only! f No swimming g Come in! No cost! h All pupils welcome.