Present: adj./termination of infinitive: ar says Paulo Freire, with regard to the duties of students, is the of: " estudiantar " or which are the tasks and activities of a student. The Office of the speaker is present, IE: speak, or locucionar, if we stick to the etymology of the term. The rules of form-ing of new words or terms, as all sa-ben, are not always clear, nor does not explain why a term derived into a new form.
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