2. Did you have to study German when you were at school? No, I didn't’.

3. Did they have to stay at home at the weekend because they were ill? Yes, the did.

4. Did dad have to study hard when he was at school? Yes, he did.

5. Does dad sometimes have to work late? Yes, he does.

6. Do they have to practice a lot? Yes, they do.

7. When you were younger, did you have to do lots of homework? No, I didn’t.

8. Do you normally have to do the cooking at home? No, I don’t.