Divide the given time markers into two groups \(Present Simple Tense and Past Simple Tense\).

• Группы
  • Past Simple Tense
  • Present Simple Tense
• Варианты
  • never
  • usually
  • often
  • the day before yesterday
  • sometimes
  • two weeks ago
  • yesterday
  • on Mondays
  • last Monday
  • in 1999