1. 12:00=it's twelve o'clock
2.11:15=it's quarter past eleven
3.9:20=it's twenty past nine
4.2:35=it's twenty five past three
5.6:10= it's ten past six
6.3:50=it's ten to three
7. 7:35=it's thirty five past seven
8.9:35=it's thirty five past nine
9.9:45=it's forty five past nine
10.10:55= it's five to eleven