Use the simple past tense, the present perfect tense or the past perfect tense to complete the sentences.
I. The educators (to teach) through the Paulo Freire Method.
II. Previously the students (to learn) through an old and non-dynamic method, then the educators searched and found Freire’s method.
III. Firstly they had had long hours of boring studies when a group of educators (to get) in touch with The Method Paulo Freire, everything changed.