Rewrite these sentences using the correct form of past tense.
1. Some people have visited the island in 1975.
2. I found that no one is there.
3. She has repaid all her loans last year.
4. I done that work myself.
5. They were discuss about the new business project.
6. He had constructing a house in London for two years now.
7. Jiya has written a play script for her friend.
8. Tanisha have been borrowed money from my father.