1. He is passing his exams now.
2. At the moment I'm introducing my new friends to my parents.
3. Nowadays they don't work for this joint company.
4. All morning yesterday, we had been working in the garden.
5. Where do you work nowadays?
6. They had been translating the article the whole evening yesterday.
7. He hadn't attended lectures for a month last year.
8. What were you doing the whole morning yesterday? или had been doing 
9. Tomorrow morning we will swim in the pool.
10. We will have attended these classes for the whole month next year .
11.  We will grow grapes in the future.
12. What are you doing tomorrow night? ИЛИ What will you do tomorrow night?
13. At the moment the article is being translated by them with a dictionary.
14. Now the magazines are being bought in this kiosk. или Nowadays the magazines are bought in this kiosk.
15. Now these classes are being visited by many students. или Nowadays these classes are visited by many students. 
16. What text is being translated by the students quite now?
17. Last week the classes were visited by different teachers.
18. This house had been built for the whole last year.
19. The tickets have been sold for the whole month. или The tickets were sold last month.
20. Where have these tickets been sold for the whole month? или Where were these tickets sold last month?