Dưới đây là các câu chuyển đổi theo yêu cầu của bạn:

1. **Unfortunately I've got to work late tonight.**
=> I wish I didn't have to work late tonight.

2. **I should very much like to play the guitar.**
=> I wish I could play the guitar.

3. **What a pity I don't know how to dance.**
=> I wish I knew how to dance.

4. **It was a mistake for me not to apply for the job.**
=> I wish I had applied for the job.

5. **What a shame he wasn't able to come.**
=> I wish he could have come.

6. **It was a pity nobody voted in favour of our party.**
=> I wish somebody had voted in favour of our party.

7. **It's a pity you didn't ask us to spend the time with you.**
=> If only you had asked us to spend the time with you.

8. **It's a pity the car is too expensive.**
=> I wish the car weren't so expensive.

Hy vọng điều này giúp ích cho bạn! Nếu cần thêm trợ giúp nào khác, hãy cho tôi biết.