Поставьте предложения в вопросительную и отрицательную формы. 1. There is a table in front of the window. 2.There were notebooks and books on the table. 3. There are some desks for students in the middle of the room. 4. There are some numbers and symbols on the blackboard.
Is there a table in front of the window?
There is not a table in front of the window.
Were there notebooks and books on the table?
Were there not notebooks and books on the table?
Are there some desks for students in the middle of the room?
Are there not some desks for students in the middle of the room?
Are there some numbers and symbols on the blackboard?
Are there not some numbers and symbols on the blackboard?