Ответ:

  1. I've never played this game before.
  2. Adam tidied his room last night.
  3. Have you lived here since 2005?
  4. Carol and I went to the cinema three nights ago.
  5. It's the first time you've visited our flat, isn't it?
  6. They haven't given the baby a name yet.
  7. Did you go to New York when you went to the States last summer?
  8. Have you ever sent an e-mail before?