Shouldn´t oder mustn´t? Übungen: Bilde Sätze mit shouldn´t oder mustn´t

1 you eat so many sweets
You so many sweets. Maybe it's not good for your teeth.
2 you cross the road here
You the road here. It's very dangerous.
3 you play on the grass
You on the grass. It is still wet from the rain.
4 I forget the tickets
I the tickets. The concert ist very important for me.
5 you open the windows
You the windows. It might get cold.
6 I forget my key
I my key! Otherwise I will be late for work.
7 you use the Internet so much
You the Internet so much. Isn't it boring?
8 you take so much money with you
You so much money with you. Maybe you'll loose it.
9 I eat my ice cream in the shop
I my ice cream in the shop. It's forbidden.
10 you use your mobile here
You your mobile here. It is dangerous for the medical devices.