Какое это время 1. I have been working on this problem for three months already. 2.I worked on this problem threemonths ago. 3. I was working on this problem from 3 to 5 yesterday. 4.He always works well. 5.He will work on this problem tomorrow. 6.He will be working on this problem at 3 o'clock tomorrow. 7.They will have finished working on this problem by 3 o'clock tomorrow. 8.He will have translated the half of the article by 3 o'clock next week.
1. Present Perfect Continuous 2. Past Simple 3. Past Continuous 4. Present Simple 5. Future Simple 6. Future Continuous 7. Future Perfect 8. Future Perfect