1.

• Kate doesn't have to get up early.
• Kate doesn't have to go to school.
• Kate has to do her homework.
• Kate doesn't have to learn a poem.
• Kate has to clean her room.
• Kate has to help her mum in the kitchen.
• Kate doesn't have to write a letter.
• Kate has to visit her grandparents.

2.

a)

1. must
2. mustn't
3. don't have to
4. have to

б)

1. Students don't have to wear makeup.
2. Students have to do their homework.
3. You mustn't bully anyone.
4. You must be neat.