Sure! Here are the transformations for each sentence:

1. He hasn't gone abroad before.
2. She has been driving for 1 month.
3. We have been eating since it started to rain.
4. She hasn't kissed me in 5 months.
5. I haven't had my hair cut since I left her.
6. We haven't met in a long time.
7. How long ago did you have it?
8. I haven't had such a delicious meal before.
9. The last time I saw him was 8 days ago.
10. It is since Monday that I last took a bath.

Sure! Here are the transformations for each sentence:

1. He hasn't gone abroad before.
2. She has been driving for 1 month.
3. We have been eating since it started to rain.
4. She hasn't kissed me in 5 months.
5. I haven't had my hair cut since I left her.
6. We haven't met in a long time.
7. How long ago did you have it?
8. I haven't had such a delicious meal before.
9. The last time I saw him was 8 days ago.
10. It is since Monday that I last took a bath.