Improve these sentences

Try to improve these sentences

1. I went to the park.
2. I walked to the castle.
3. We played at the fair.
4. I walked the dog.
5. Mum went to the shops.
6. I ate Christmas dinner.
7. Josh was late for school.
8. Maisie walked across the playground.
9. Fred spoke to the policeman.
10. Alex played on his PSP.