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Present Perf. RW
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The team has interviewed 100 people for the start of March.
The team has interviewed 100 people "since" the start of March.
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Okay!
not drive a car over a bridge / 2012
I haven't driven a car over a bridge since 2012.
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Okay!
I have been always able to stay calm by breathing slowly.
I have "always" been able to stay calm by breathing slowly.
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Okay!
A fear of failure have stopped many people from taking chances.
A fear of failure "has" stopped many people from taking chances.
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Okay!
not take an elevator / five years
I haven't taken an elevator for years.
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Okay!
not speak in public / two years
I haven't spoken in public for two years.
Oops!
Okay!
Studies have been done every year for 1985.
Studies have been done every year "since" 1985.
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Okay!
The research team has observed over 200 people since two years.
The research team has observed over 200 people "for" two years.
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Okay!
not go to the dentist / ten years old
I haven't been to the dentist since I was ten years old.
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Okay!
not touch a spider / 2000
I haven't touched a spider since 2000.
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Okay!
The research have had a significant impact on the understanding of fear.
The research "has" had a significant impact on the understanding of fear.
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Okay!
not be up to the top of a tall building / the start of this year
I haven't been up to the top of a tall building since the start of this year.
Oops!
Okay!
not give a presentation / a year
I haven't given a presentation for a year.
Oops!
Okay!
Many people have learn fears from their parents.
Many people have "learned" fears from their parents.
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Okay!
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