Перевести время на : 12-15,11-25,6-45,7-30,9-50, 8-30, большое

12-15: quarter past twelve

11-25: twenty five past eleven

6-45: quarter to seven

7-30: half past seven

9-50: ten to ten

8-30: half past eight

It is quarter past twelve 
It is twenti five past eleven
It is quarter to seven
It is half past seven
It is ten to ten
It is half past eight