1.You mustmustn't stop when the traffic lights are red.

2.You mustmustn't have a passport to travel to Europe.

3.You mustmustn't take photos inside the museum.

4.You mustmustn't be here at quarter to ten. The bus leaves at ten o'clock.

5.You mustmustn't tell anyone. It's a secret.

6.You mustmustn't speak Portuguese during your English oral test!