We use the present perfect to talk about the past. We use it in a few important ways:
actions in the past that continue in the present
I've worked here since 2012.
experiences up to the present
That party was the biggest one I've ever been to.
something that happened in the past, but is important in the present
I've lost my keys and can't start my car.
Practice!
Click this link to complete an activity.
Click here to practice past participles and sentences in present perfect.