Usages of cum
Cum puer aegrotus erat, medica cum eo manebat tota hora.
When the boy was sick, the female doctor stayed with him for a whole hour.
Cum magistra in schola docet, discipuli tacent.
When the (female) teacher teaches in the school, the students are silent.
Cum magister tacet, discipuli veritatem facilius audiunt.
When the teacher is silent, the students hear the truth more easily.
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