Present perfect
Descrizione del video
Esempi
Frase | Fonte |
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We've developed this ability because it makes evolutionary sense. | The security mirage |
It hasn't changed as we were growing up. | The security mirage |
But for other tumors and cancer types, the improvements have only been modest. | Can we eat to starve cancer? |
OK, who hasn't voted yet? | How stats fool juries |
Apparently, only three people have viewed episode one. | Scrubs: Interns, s01e02 - Our Meeting With JD |