Divide the sentences into two groups.

• Группы
  • Present Perfect
  • Present Perfect Continuous
• Варианты
  • She has been studying English for 5 years.
  • I have played this game before.
  • Adam has already tidied his room.
  • The boys have been playing computer games since this morning.
  • I have been living in Moscow since 2012.
  • Christine has just opened the book.
  • My sister has been talking on the phone since 8 o'clock.