would change, would move
Se eu fosse presidente, mudaria muitas coisas.
If I were president, I would change many things.
Por que alguém com sua personalidade, de repente mudaria como ele?
Why would someone with his personality suddenly change like that?
— Viver (1952)
Se eu fosse mais novo, mudaria de país sem pensar.
If I were younger, I would move to another country without thinking twice.
Tom me disse que ele mudaria os seus planos.
Tom told me he would change his plans.
O que mudaria no país se pudesse?
What would you change in the country if you could?
— Ele Está de Volta (2015)