3) is it important?
4) are you reading?
5) did Jan go home?
6) are Dave and Mary going away?
7) do you like?
8) did you meet Tim?
9) is he going to stay here?
10) have the children gone?
11) can't you come to the party?
12) did you break the window?
13) do you need?
14) did she do her driving test?
15) don't you like her?
16) does it rain?