Instructions. Change the sentences to present perfect as in the examples.
Use for, since and the verbs in parentheses in your answers.

Examples:
John began to smoke 10 years ago. (smoke)
He has smoked for 10 years.

Joe moved here in 1999. (live)
He has lived here since 1999.

1. Michael learned how to drive when he was sixteen. (know)

   
   
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2. Ken met Cindy ten years ago. (know)

   
   
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3. Nancy began to collect stamps last year. (collect)

   
   
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4. Bob became a teacher in 2001. (be)

   
   
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5. David and Jason began to study here four months ago. (study)

   
   
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6. The Wilsons moved here in 1995. (live)
   

   
   
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7. Thomas got married five years ago. (be)

   
   
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8. Erin bought her car in December. (have)

   
   
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9. Margie began to talk on the phone one hour ago. (talk)

   
   
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10. Mr. Peterson began to teach English in 2001. (teach)

    
    
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