Present Perfect Simple Continuous

This document compares and contrasts the present perfect simple, present perfect continuous, past perfect simple, past perfect continuous, future perfect simple, and future perfect continuous tenses in English. It provides examples of when each form is used, noting that the continuous forms generally indicate ongoing or unfinished action, while the simple forms indicate completed action. The same differences are outlined for the past perfect and future perfect tenses, with the events referenced occurring before another past or future time frame.