Ответ:

Are the customers going to purchase this excellent product?

Yes, they are.

No, they aren't.

Are all departments going to get a pay rise?

Yes, they are.

No, they aren't.

Can I read English books?

Yes, I can.

No, I can't.

Can we meet our customers in his office?

Yes, we can.

No, we can't.

Can our guests use own software?

Yes, they can.

No, they can't.

Am I speaking to a famous person?

Yes, I am.

No, I am not.

Is he making a bad mistake?

Yes, he is.

No, he isn't.

Are they producing inexpensive furniture?

Yes, they are.

No, they aren't.