Present Perfect Continuous
The Present Perfect Continuous or Progressive is formed with the elements of the Perfect tenses (verb have) and Continuous tenses (verb be and Gerund in the main verb) and it describes a recent action which started in the past but it didn´t finish which is the difference with the Present Perfect Simple. The pattern uses then the elements necessary in the Present Perfect and Continuous tenses: has (3 rd person singular he/ she / it) / have (rest) + been + V-ing (Gerund) As in the Present Perfect Simple we also use prepositions “for” and “since” to point out to a quantity of time (minutes, days, weeks, months, years, centuries, etc.) or any date of time or specific event in the past till the present respectively. The negative form just add particle “not” after the auxiliary verb “has/have” and the interrogative form inverts the order (has/have + subject + been+ V-ing) in which is obligatory to respond in a short answer (Yes/No, subject + has/have or negative form as