Friday, April 15, 2011

Present Perfect : Unit 14, I have Done done (present perfect 1)


Has washed/have gone, etc. Is the present perfect (have/has + past participle*) :
I
We         have (‘ve)
You        have not (haven’t)
they
Washed
Arrived
Done
Been
Bought
Taken
begun

                         I
Have               we
                        you
                        they
washed?
arrived?
done?
been?
bought?
taken?
begun?
He
She         has (‘s)
It             has not (hasn’t)
                        he
has                 she
                         it

We use the present perfect for an action in the past with a result now :
-          I’ve lost my passport. (=I can’t find my passport now.)
-          She’s (=She has) gone to bed. (=she is in bed  now)
-          We’ve bought a new car. (=we have a new car now)
-          It’s Mary’s birthday tomorrow and I haven’t bought her a present.
-          “Bob is on vacation.”   “Oh, where has he gone?”
-          “Are they still having dinner?”      “No, they’ve finished.
Sometimes you can use the present perfect or the simple past .
*The past participle of regular verbs is –ed:
        wash=have washed    arrive=have arrived       stop=have stopped
The past participle of irregular verbs is sometimes the same as the simple past and sometimes different. For example :
the same :     lose=have lost         make=have made        have=have had
different :      do= have done      see= have seen         write=have written

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