1. Is this cup yellow? This cup isn't yellow
2.is that pen red? This pen isn't red
3.is she opening the exercise-book? She isn't opening the exercise-book
4.is this a nice city? This is not a nice city
5.is this a long text? This is not a long text
6.are those men doctors? These men aren't doctors
7. Are the spoons on the table? The spoons aren't on the table