1. Не works in the sales department.
Не does not work in the sales department.
Does hе work in the sales department?
2. There are 51 employees in our office.
There are not 51 employees in our office.
Are there 51 employees in our office?
3. She is in the negotiation room.
She is not in the negotiation room.
Is she in the negotiation room?
4. Our secretary has many duties in the company.
Our secretary has not any duties in the company.
Has our secretary has any duties in the company?
5. They want to discuss some points with the President.
They do not want to discuss any points with the President.
Do they want to discuss any points with the President?