The Present Perfect Tense

* Formation :have / has + past participle form of the verb.

* Usage :       - an action began in the past and continues up to now.

 - showing interest in the present results of a past action.

 - an action that has just finished.

        Words used with the tense : just - yet - already - ever - never - recently - lately - for - since Ė                                                up to now - so far.

N.B.I- SINCE means " from some definite point in the past till now "

            FOR means " a length of time till now ".

N.B.2- The past simple can be used after SINCE with the main verb in the present perfect.

---------------------------------------------------------------------------------------------------------------------

Examples

* Put in the correct tense of the given verbs:

1- 1 ( not see ) you since last Sunday.

* I haven't seen you since last Sunday.

2- She ( not speak ) to me for more than three days.

* She hasnít spoken to me for more than three days.

3- The policemen already ( find ) the thief.

* The policemen have already found the thief.

4- She just ( go ) to the hairdresser's.

* She has just gone to the hairdresser's.

 5- I ( not see ) him since he went to Paris.

* I haven't seen him since he went to Paris.

6- My brother ( not have ) any good rest since last week.

* My brother hasn't had any good rest since last week.

7- You ever ( go ) to London ? Yes, I often ( go ) to London.

* Have you ever gone to London ? Yes, I have often gone to London.

8- I ( wait ) you since four o'clock.

* I have waited you since four o'clock.

9  1 ( not visit ) my grandfather since 1971.

* I haven't visited my grandfather since 1971.

10- She ( be ) ill ( for - since ) a long time.

    * She has been ill for a long time.