lõpetanud

In a sentence

• Ma olen lõpetanud selle projekti.

  I have completed this project.

  Here, 'lõpetanud' is used in the past perfect participle form to indicate that the subject (I) has finished or completed a specific task, showing the act has been done and completed in the context of speaking.

• Kas sa oled lõpetanud oma koolitöö?

  Have you finished your schoolwork?

  In this question, 'lõpetanud' is used in the second person singular to inquire whether the action (finishing schoolwork) has been accomplished by the subject.

• Me ei ole veel lõpetanud seda koosolekut.

  We have not yet finished this meeting.

  Here, 'lõpetanud' is used to express an incomplete action in the context of a present perfect negation, illustrating that the subject (we) has not finished the action of concluding the meeting.