34. We don't have to wake up early.
35. You needn't do the washing up.
36. You mustn't put posters on the walls.
37. You must stop at the red light.
38. I have to wear a uniform.
34. We don't have to wake up early.
35. You needn't do the washing up.
36. You mustn't put posters on the walls.
37. You must stop at the red light.
38. I have to wear a uniform.