Задайте: общий вопрос, альтернативный вопрос, разделительный вопрос и специальный (what, where, etc.).
1. There is a large building in that square.
2. There are various methods of research in their lab.
3. There are four dining-rooms in the main building of the University.
4. Some parents are always angry with their children.
5. His friend is a smart software engineer.

1 is there a large building in that square
Are there various methods of research in their lab.
Are there  four dining-rooms in the main building of the University.
Are some parents  always angry with their children.
Is his friend a smart software engineer
2  is there a large or a small building in that square
Are there various methods of research in their or our lab.
Are there  four or three dining-rooms in the main building of the University.
Are some parents  always angry or kind with their children.
Is his or her friend a smart software engineer

3 There is a large building in that squarу, isn't it?
There are various methods of research in their lab, aren't they?
There are four dining-rooms in the main building of the University aren't they?
Some parents are always angry with their children, aren't they?
His friend is a smart software engineer, isn't he?
4 where is a large duilding?
what are in their lab?
how many dining rooms are there in the main building of the University?
Who are always angry with their children?
Who is his friend?