Present Perfect Tense

زمن المضارع التام

      

Tom is looking for his keys.	يبحث توم عن مفاتيحه
He has lost his keys.	لقد أضاع مفاتيحه

التكوين:

He / She / It	has + P.P
I / We / They / You	have + P.P

Exercise on Can, Could and Be able to

Choose the correct answer:

1. George has travelled a lot. He ______ speak four languages.
   can
   are
   be able to


2. I used to ______ stand on my head, but I can’t do it now.
   can
   could
   be able to


3. Sue wasn’t at home when I phoned her, but I ________ contact her at her office.
   can
   could
   was able to


4. Sorry, Teacher. I _______ do this exercise yet.
   couldn't
   haven't been able to
   wasn't able to


5. The fishing boat sank but luckily all the crew ________ save themselves.
   were able to
   was able to
   could


6. The car fell into the river. The workers _____ get it out.
   were able to
   could
   can


7. When I was younger I _____ stay up all night.
   was able to
   could
   can


8. I am sorry I ____ come to the meeting next week.
   wasn't able to
   couldn't
   can't


9. Before he had the car accident, he _____ run very fast.
   was able to
   could
   can


10. Do you think you ______ come to the meeting tomorrow?
    can
    could
    were able to