Write the negative form of these sentences.
We have to get up early tomorrow.
We don't have to get up early tomorrow.
You can leave your bicycle here.
We are allowed to eat in class.
4 I have to be home early.
sentences.
b Write the past form of these sentences.
5 We have to leave very early in the morning.
We had to leave very early in the morning.
6 We can't use a dictionary in the exam.
7 I'm not allowed to watch TV in my room.
8 I have to walk to school.