Sure! Here are several ways to rewrite the sentences provided in the image:

27. **The car breaks down so often because you don’t take good care of it.**
- Were you to take better care of the car, it wouldn’t break down so often.
- If you took better care of the car, it wouldn’t break down so frequently.
- Had you taken good care of the car, it wouldn’t have broken down so often.

28. **He is very bad-tempered; that’s why his wife left him soon after marriage.**
- If he weren’t so bad-tempered, his wife wouldn’t have left him shortly after marriage.
- Were he not very bad-tempered, his wife would not have left him soon after they got married.
- Had he not been so bad-tempered, his wife might have stayed with him after marriage.

29. **Don’t tell lies to your boss or you’ll be fired at once.**
- If you tell lies to your boss, you will be fired immediately.
- Should you lie to your boss, you will be dismissed right away.
- If you were to lie to your boss, you would face immediate termination.

30. **She got married at such an early age; otherwise, she would be at university now.**
- Had she not gotten married at such an early age, she would be attending university now.
- If she hadn’t married so young, she would currently be studying at university.
- Were it not for her early marriage, she would be enrolled in university at this moment.

25. **You wouldn't be able to do this exercise unless your English were good.**
- If your English were not good, you wouldn’t be able to complete this exercise.
- Should your English not be good, you would struggle with this exercise.
- Unless your English was good, you would not be capable of doing this exercise.