Matching Pairs Must/ Have to/ CanOnline version Relate the columns with must and mustn't by Centro de Autoacceso Unidad Los Uribe FCA 1 Teachers the public. 2 You always have to wear a helmet when you’re on site. 3 Shop assistants with money. 4 Bank clerksto people. 5 Architects must wear helmets at all times. 6 You can’t make a copy of your artwork and take it away from the office. 7 You must bring 8 Designers mustn’t make copies of their artwork and remove them from the office 9 You mustn’t take 10 You must arrive have to be polite Designer to colleague Architect to colleague. your own pens and paper. have to work Safety officer to architect school books home with you. Boss to designer don’t have to deal with for lessons on time.