No, the Present Perfect Progressive tense is used to describe ongoing actions that started in the past and are still happening now. It cannot be used to talk about future events.
Some signal words that can indicate the Present Perfect Progressive tense include “since,” “for,” “all day,” “all week,” “all month,” and “all year.” For example, “I have been working on this project since this morning.”
No, the Present Perfect Progressive tense is used with continuous or “action” verbs, such as “run,” “study,” or “eat.” It cannot be used with non-continuous or “state” verbs, such as “be,” “believe,” or “think.”