Breakdown of Mi profesora corrigió trescientas redacciones este mes.
Questions & Answers about Mi profesora corrigió trescientas redacciones este mes.
Mi profesora means my teacher, so it shows possession directly.
Spanish often uses the definite article (la profesora) when possession is obvious from context, but mi profesora is perfectly natural when you want to make it explicit. Compare:
- Mi profesora corrigió trescientas redacciones este mes. = My teacher corrected three hundred essays this month.
- La profesora corrigió trescientas redacciones este mes. = The teacher corrected three hundred essays this month.
So the choice depends on whether you want to say my teacher specifically or just the teacher.
Because profesora is the feminine form, used for a female teacher.
- profesor = male teacher
- profesora = female teacher
Since the sentence says mi profesora, the teacher is female.