A lot of people have studied us and written up a lot reports about us.
The IRA's operatives have studied us, and they know how to take advantage of the tools we've given them.
Having studied us at length, Mr Mack certainly knows how to charm the ladies, by suggesting that our lack of success in any given field is actually down to our inherent superiority.
And some of us have studied in American universities and taken courses at Columbia.
Many of us have studied it.
There's a mounting body of evidence that shows that many of the most successful and brilliant among us have studied music at some point in their life.
Taibi has intensively studied US astronomy and astronomers both professional and amateur since 2001.
For those of us who have studied, with increasing concern, the extreme teachings of this cleric, this tragedy is the inevitable consequence of unchecked Islamist radicalisation.
"For those of us who have studied it, there is no doubt about its true and peaceful nature.
US physicists have studied the fluid dynamics of urine "splashback" to help men and women improve their accuracy.
