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  • 1. Since or for Samar Ayed 06120140
  • 2. We use SINCE and FOR with the present perfect
    • Since
    • Used for the event appeared in the past and is still on going (specific) .
    • For Example.
    • I've lived here since March. - I've been here since 9.00 this morning.
  • 3. Time clauses
    • I've studied English since I was at university.
    • (I have/I've) studied English since I started in a secondary school.
  • 4. For
    • Continued to act in the past (unspecified)
    • For Example
    • (I have/I've) lived here for 9 months .
    • (I have/I've) lived in Hong Kong for twenty years.
    • (He has/He's) worked for Microsoft for two years.
  • 5. Exercise
    • 1.I haven't worked _____ a month .
    • A.   since
    • B.For
    • 2. They have been ill _____ Monday .
    • A. Since
    • B. For
  • 6. Exercise
    • 3. We've been friends with Fred _____ decades .
    • A. since
    • B. for
    • 4. We've lived here _____ seventeen years .
    • A. since
    • B. for
  • 7. Exercise
    • 5.My boss has been away _____ half a day only .
    • A. since
    • B. For
    • 6. I haven't slept _____ 48 hours.
    • A. since
    • B. for
  • 8. Exercise
    • 7. We have received no news _____ 5:30 pm .
    • A. since
    • B. for
    • 8. We haven't seen Mary _____ the party .
    • A. since
    • B. for
  • 9. Exercise
    • 9.You haven't smoked _____ two months .
    • A. since
    • B. for
    • 10. Mandy has been ill _____ Monday .
    • A. since
    • B. for
  • 10.
    • Finally . I hope you enjoy and understand every thing .