Imagine where they are. Then say what they want and why.
EX: Husband to wife: "Don't smoke!"
=They are in a public building. Hu doesn't want her to smoke because it is forbidden.
1. Father to son: "Don't lean out of the window!"
2. Mother to daughter: "Don't touch the dog!"
3. Instructor to pupil: "You're driving too fast!"
4. Lifeguard to swimmers: "Swim between the flags!"
5. English policeman to pedestrian: "Look left!"
je comprends rien !!