1. I don't know many English words.
→ I wish I knew many English words 
2. We often went camping together.
→ We used to go camping together
3. She can't go to the seaside with us because she is busy.
→ If she were busy, she would go to the seaside
4. I last saw her 10 months ago.
→ I haven't ever seen her for 10 months
5. People said that he won a gold medal 12 years ago.
→ He was said to win a gold medal 12 years ago
6. Reading newspapers in the morning gives him pleasure.
→ He feels like pleasure when he read newspapers in the morning
7. We are fond of going fishing in our free time
→ We like going fishing in our free time
8. We want them to repair my motorbike before Sunday.
→ We want my motorbike repaired before Sunday