2)We must have a map with us
3)We must wear a hat on hot sunny days
4)We mustn't climb trees
5)We mustn't take eggs from birds' nests
6)We mustn't make a campfire near trees
2)We must have a map with us
3)We must wear a hat on hot sunny days
4)We mustn't climb trees
5)We mustn't take eggs from birds' nests
6)We mustn't make a campfire near trees