1. Are students listening to the lecturer?
The students are don't listening to the lecturer.
2. Us professor N. at last lecture was encouraging us to ask questions?
At last lecture professor N. don't was encouraging us to ask questions.
3. Is our programmer developing a new teacher training computer program?
Our programmer is don't developing a new teacher training.
4. Were they repairing computer when he entered the computer class?
They don't were repairing computer when he entered the computer class.
5. Were they working all day yesterday?
They don't were working all day yesterday.
6. Are teachers discussing merits and demerits of the new approach in language teaching?
Teachers are don't discussing merits and demerits of the new approach in language teaching.
7. Is the Prime Minister will be staying three days in France?
The Prime Minister don't will be staying three days in France.
