помогите с английским пж очень срочно

1. You have not met
2. has visited
3.has not arrived
4. have completed
5.have not studied

1. You haven't met him.
2. He has visited a few volcanoes!
3.Our bus hasn't arrived.
4. I have competed for our school three times.
5. I haven't studied Spanish before.
По братски дай лучший ответ я заслуживаю этого