Present Perfect Simple

The Present Perfect Simple is used:

  • To talk about an action which happened in the past,
  • but the extact time is not mentioned.

    "I've already donde that"

  • To talk about a state which started in the past and continues
  • up tho the present.

    "Mary has had her dog since September"

  • To talk about an action that happened in the past
  • and finished, but the results are obvius in the present.

    "I've just finished my project"