The course 'presumes' familiarity with basic computer programming. [=people who take the course should know basic computer programming]
After the earthquake several people were missing and 'presumed dead'. [=believed to be dead]
I 'presume' (that) the car was very expensive. = The car was very expensive, I 'presume'.
(..) My sole concern has always been and will always be. . . . . .the welfare of this school. . . . . .and, of course, its students. The culprit has been identified, l presume? Yes. And? Who was it? Voldemort. Only this time he chose to act (..)2002 Harry Potter and the Chamber of Secrets