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