His wife, so works to earn money to support the family, such as my family. Parents help each other work to earn money to support the family at home, it is the responsibility of the child's responsibility.
His wife had to work to earn money to help support their families like my family. Parents work together to help raise money for the family's home, it is the duty of responsibility.
His wife had to help earn money to feed their families, such as my family. Parents can earn money to feed a family the housework, it is my duty to be held accountable.