Addicted to I am addicted to playing computer games, I play them every single day. Have an Addiction Estimate – a guess you think about Underestimate – to guess something is lower than it actually A hit – something is really popular or successful This book is a hit A hit with (a group of people) J.K Rowling’s new book is a hit with teenagers all over the world. Past perfect – have + p.p - Used when we have done something