Problem: If "Always before, Larry had helped Dad with his work. But he could not help him now, for Dad said that his boss at the railroad company would not want anyone but him to work in the office.", is "Dad's boss at the railroad company would not want anyone but him to work in the office." correct?

Answer: yes


Problem: If "Men had the right to keep their sons working for them until they were 21 years of age.", is "Men had the right to keep their sons working for them until the men were 21 years of age." correct?

Answer: no


Problem: If "Tom gave Ralph a lift to school so he wouldn't have to drive alone.", is "Ralph wouldn't have to drive alone." correct?

Answer:
no