Use must, mustn't, should or shouldn't
Zebra crossing
Use must, mustn't, should or shouldn't
Helmet - cycling
Use must, mustn't, should or shouldn't
Say sorry
Use must, mustn't, should or shouldn't
Share
Use must, mustn't, should or shouldn't
Say please and thank you
Use must, mustn't, should or shouldn't
Library
Use must, mustn't, should or shouldn't
Respect
Use must, mustn't, should or shouldn't
Farm
Use must, mustn't, should or shouldn't
Neighbours
Use must, mustn't, should or shouldn't
Pigeons
Use must, mustn't, should or shouldn't
Desk - clean
Use must, mustn't, should or shouldn't
Wild animals
Use must, mustn't, should or shouldn't
Dive
Use must, mustn't, should or shouldn't
Litter
Use must, mustn't, should or shouldn't
Run
Use must, mustn't, should or shouldn't
Wait for the green light
Use must, mustn't, should or shouldn't
Queue