Hi. Please help. I think numbers 1 and 2 and 3 are correct. How about 4? Is it incorrect? I tried to use sentence patterns like ones that appeared in this tread. Thank you in advance for your help.
1. It was torture to stay with him for 3 months. 2. It was a torture to stay with him for 3 months. 3. Staying with him for 3 months was like torture. 4. Sta