Составить 5 предложений с глаголом must not

1) You must not go outside alone late in the evening! 
2) We must not come home late! 
3) You must not cross the road when the traffic lights are red! 
4) You must not let down your friends ! 
5) You must not offend your younger brothers and sisters!
6) You must not speak to strangers in the street!