1 it is half-past ten
2 it is half-past 6
3 it is four
4 it is 15 minutes to 3
5 it is 2
6 it is 20 minutes past 7
7 it is 25 minutes past 12
8 it is 15 minutes past 3
9 it is 5 minutes to 10
10 it is 25 minutes past 9
11 it is 20 min. to 2
12 it is 5 min. past 9
13 it is 10 min. to 12
14 it is 10 min. past 12
15 it is 5 min to 4