1are you free now? Yes, I am
2is he busy today? Yes, he is
3Is her husband a dentist? Yes, he is
4Is your sister out? yes, she is
5Are these textbooks new? Yes, they are
6Is your cousin married/Yes, he is
7Is that book old?Yes, it is
8Is her family large?Yes, it is
9Who are these letters from? From my friend
10Are many students...? Yes, the are...
11Is it time for us to leave/ Yes, it is
12Are there first year students/ Yes, they are