1.half past six
2.a quarter to three
3.half past one
4.ten o'clock
5.eleven o'clock
6.a quarter past eight
7.a quarter past twelve
8.half past seven
9.twenty past six
10.ten to four
11.twenty-five past eleven
12.twenty-five to five
13.ten past seven
14.five to twelve
15.ten past one
16.twenty-five past two
17.five past twelve
18.five to nine
19.twenty past nine