You wear it when you ride a bike.
helmet
auto
car
Nie wolno ci biegać na basenie.
You mustn't run on a pool.
There are a lot of them on a road. They tell to to stop, turn and other
sign
Musisz mieć/nosić rękawiczki.
You must wear gloves.
They are red, orange and green. You see them on a road.
traffic lights
You must/mustn't talk on a lesson.
mustn't
Musisz pić wodę.
You must drink water.
zebra crossing
You must go this .... (droga)
road
You must/mustn't push people into a pool.
mustn't
go/turn right
go/turn left
Musisz nosić kask
You must wear a helmet.
stop