Daha önce buraya gelmiş gibi hissediyorum.
- I feel like I have been here before.
Tom buraya gelmiş olabilir.
- Tom may have been here.
Williams: She has been around. She has met world leaders.
... this is the most fundamental basis of reality that we physicists have been able to construct. ...
... It's very easy to see a long list of things that have been ...