While travelling abroad you could come across some signs. What are people supposed to do? Make captions.

1) We mustn't/ought not to/should not smoke here. 2) We ought to/should/must keep off the grass. 3) We should not/ought not to/must not take photos here. 4) We ought to/should/must go through passport control here. 5) We should not/ought not to/must not go skateboarding here. 6) We ought to/should/must queue here.