Fill in the gaps with to have to paying attention to the tense form and grammar focus above​

3 Fill in the gaps with "to have to" paying attention to the tense form and Grammar Focus above.

1. Peter has to help his little brother to do his lessons.

2. Students will have to take part in this competition.

3. They had too live with host families last year.

4. My brother had to go to the library yesterday.

5. There is a lift here, you have to climb the stairs.

6. The children have to walk home from school every day.

7. Lamiya does not have to work on Sundays.

8. We had to take a taxi to school yesterday.