1. Did Ann graduate from the university last year?
Last year Ann didn't graduate from the university.
2. Does Bob know English better than his groupmates?
Bob doesn't know English better than his groupmates.
3. Will the meeting take place at 9 tomorrow?
The meeting won't take place at 9 tomorrow..
4. Was his aim to get higher education?
His aim wasn't to get higher education.
5. Are they good friends because they have common interests and hobbies?
The aren't good friends because they have common interests and hobbies.