Present Perfect Progressive Tense

Definition:-

                  We use Present Perfect Progressive Tense when something started in past and still going on in present.

Formulas:-

·         Affirmative : Subject+has/have+been+Verb(present form + ing)+Object+Since/for.

·         Negative      : Subject+has/have+not+been+Verb(present form + ing)+Object+Since/for.

·         Interrogative       : Has/have+subject+been+Verb(present form + ing)+Object+Since/for?

·         InterroNegative : Hasn’t/haven’t+subject+been+Verb(present form + ing)+Object+Since/for?

Short Forms:-

·         Has not   =  Hasn’t

·         Have not = Haven’t

Use of “Since” and “For”:-

·         Since: Since is used when starting time is given.

·         For    : For is uses when time duration is given.

Examples:-

·         Robert has been learning English since childhood.

·         He hasn’t been driving the car for 2 hours.

·         Have you been making me fool since morning?

·         Haven’t you been speaking ill of me since Bill came?

·         What have you been doing for 2 hours?

·         Why have you been using my mobile since morning?