III. Grammar: Past Tenses (3 points) • Use the correct form of the Past Tense: Past Simple, Past Continuous, Past Perfect, or Past Perfect Continuous. 1.last year, l ...(to study) for five months before l took the university exam. 2.This morning l ...(to walk )down the street when l saw Mitya. 3.Students ... (to open) their workbooks and did the exercise. 4.Before I read the book, l ...(to see) the film already.