by the time he retires ,my father ——for almost forty years .

by the time he retires ,my father ——for almost forty years . BY the time he retires,Professor Baker（will have taught）for My father worked in the factory for forty years,(where;that; My father is forty-three years old.He is a teacher.He works He will have learned English for 8 years by the time he----- He will have learned English for eight years by the time he He _____English for eight years by the time he graduates fro He had been a doctor for five years by the time he ____from He will have learnt for 9 years by the time he __ (graduate) Mr smith_______with the company for 40 years by the time he 《 》is your father?He is forty years old.< >are the shoes?The He will have learned English for eight years by the time he_