Rewrite the parts of sentences in italics with or don't have tо.
1. You are not obliged to work on Sundays.
2. It's forbidden to smoke in here.
3 You're not allowed to wait here
4 it's unnecessary for you to wait here.
5. It's forbidden to walk on the lawn.
6 it inecessary for them to work on Sunday.
Дуже терміново !