Children under 6 must be supervised by an adult at all times.

The test is supervised by faculty members at the participating schools.

Activities are supervised by trained staff and volunteers, at all times.

Mary supervised the development of an extensive garden at the station.

Children under 5 must be supervised at all times.

She will also supervise a staff of eight at the Governor's residence, even though the first family plans to live there only part time.

He supervised the first doctoral students in that field at a Canadian university.

During this time, he helped supervise racial integration at the school.

This was particularly evident in the work of the research students whom he supervised at Cambridge.

You are to be supervising him at all times.