1.
They haven't been to any foreign countries. Have they been to any foreign countries?
2. There isn't a blackboard
in our classroom. Is there a blackboard in the classroom?
3. He didn't open the window before classes. Did he open the window before classes?
4. I will
not (won't) translate many foreign letters at the office. Will I translate many foreign letters at the office?
5. I haven't got a family. Have you got a family?
6. My friend didn't write to me very often last year. Did my/your friend write to me/you very often last year?
7. The students usually
don't go home after classes. Do the students usually go home after classes?
8. They don't have their English in the morning. Do they have their English in the morning?
9.
There wasn't a telegram on the table. Was there a telegram on the table?
10. His friend hasn't translated two
English books into Russian. Has his friend translated two
English books into Russian?