Learning or teaching the form of the present perfect isn’t too complicated, as long as you remember that it is constructed like this: present perfect continuous: has ('s) / have ('ve) + been + ing ...

THE three perfect tenses in English — the present perfect, the past perfect, and the future perfect — capture the idea that one event or occurrence happened or happens before another time or event in ...

Abdul Weli from Somalia writes: I would like to know more about the passive. Most reference books say that the present perfect continuous tense has no passive form. Yet, at the same time, we have ...