I ... ( to ski ) for eight years already. I ... ( to do ) Tackwon-Do since I was five years old.I ... ( to begin ) studying the piano at the age of four.I ...( to give ) my first concert at nine. I ... ( to win ) my first prize in 2009.When we... ( to win ) the World Cup I was so happy.I ... ( to win ) lots of medals for team races and single races.I ... ( to start ) playing tennis 2 years ago and I ... ( to achieve ) a lot since then.My life ... ( to change ) since I ... ( to win ) my medals in swimming.