Present Perfect Continuous
Formation have/has been doing I have been working. Have I been working? I have not been working. for I / you/ we /they She has been working. Has she been working? She has not been working. for he /she / it Use the Present Perfect Continuous Inclusive: 1. is used to denote an action which began in the past, has been going on up to the present and is still going on (is generally used with since, for, these two days, etc.). If the conjunction since introduces a clause, the verb in this clause is in the Past Indefinite. I have been working out for your white dress for the last ten minutes. Ever since I saw you last I have been thinking, thinking. With verbs not admitting of the Continuous form the Present Perfect Inclusive is the only tense possible.