Watch the video and study the use and form of Present Perfect Simple to talk about
- actions that started in the past and still continue in the present
- actions that happened in the past but we don't know or we don't care when they happened
Here's a video about the differences between Past Simple and Present Perfect
Watch this video and study the use and form of Present Perfect Continuous to talk about long actions that started in the past and still continue in the present
Here you can study the differences between the use of Present Perfect Simple and Present Perfect Continuous
Watch the video and practice the difference between "have been" and "have gone"