1.
Do all students take exam in winter?
Do all students take exam in winter or in summer?
All students take exam in winter, don't they?
When do all students take exam?
2.
Will the delegation leave Tomsk on Monday?
Will the delegation leave Tomsk or Moscow on Monday?
The delegation will leave Tomsk on Monday, won't it?
What will the delegation do on Monday?
3.
Did some students failed their entrance exams?
Did some students failed their exams or not?
Some students failed their entrance exams, didn't they?
Who failed entrance exams?
4.
Was he good at mathematics?
Was he good at mathematics or at chemistry?
He was good at mathematics, wasn't he?
Who was good at mathematics?
1.
Do all students take exam in winter?
Do all students take exam in winter or in summer?
All students take exam in winter, don't they?
When do all students take exam?
2.
Will the delegation leave Tomsk on Monday?
Will the delegation leave Tomsk or Moscow on Monday?
The delegation will leave Tomsk on Monday, won't it?
What will the delegation do on Monday?
3.
Did some students failed their entrance exams?
Did some students failed their exams or not?
Some students failed their entrance exams, didn't they?
Who failed entrance exams?
4.
Was he good at mathematics?
Was he good at mathematics or at chemistry?
He was good at mathematics, wasn't he?
Who was good at mathematics?