Here's the solution to the exercise:
- The Present Perfect Continuous is used to express repeated 2
- The Present Perfect Continuous focuses 1
- The Present Perfect Continuous is used to talk 3
Explanation:
- The Present Perfect Continuous is used to express actions that began at a certain point in the past and are still happening in the present.
- The Present Perfect Continuous focuses on the duration of an action.
- The Present Perfect Continuous is used to talk about a long action that has recently stopped.