Какое это время 1. I have been working on this problem for three months already. 2.I worked on this problem threemonths

1. I have been working on this problem for three months already. Present Perfect Continuous2. I worked on this problem three months ago. Past Simple3. I was working on this problem from 3 to 5 yesterday. Past Continuous4. He always works well. Present Simple5. He will work on this problem tomorrow. Future Simple6. He will be working on this problem at 3 o\'clock tomorrow. Future Continuous7. They will have finished working on this problem by 3 o\'clock tomorrow. Future Perfect8. He will have translated the half of the article by 3 o\'clock next week. Future Perfect