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T4 Present perfect
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I / have / my phone / more than a year
I've had my phone for more than a year.
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Someone / just / send / me a message
Someone has just sent me a message.
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Okay!
I / work / here / I graduated school
I've worked here since I graduated school.
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Okay!
I / not use/ a mouse many times
I haven't used a mouse many times.
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Okay!
My house / have / an internet connection / I was born
My house has had an internet connection since I was born.
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Okay!
Our computer at home / never / have / a virus
Our computer at home has never had a virus.
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Okay!
He / finish / his homework
He has finished his homework.
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Okay!
People / not travel / to Mars
People have not traveled to Mars.
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Okay!
I / already / update / my profile page today.
I've already updated my profile page today.
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Okay!
I / never / write / a letter
I've never written a letter.
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Okay!
I / not download / many videos from the Net
I haven't downloaded many videos from the Net.
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Okay!
She / forget / her folder
She has forgotten her folder.
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Okay!
She / live / here all her life
She has lived here all her life.
Oops!
Okay!
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