would leave, would let, would allow
Meu pais não me deixariam namorar quem eu gostaria de namorar.
My parents wouldn’t let me date the person I’d like to date.
Muitos a deixariam ser enforcada, mas vai defendê-la.
Many would let her be hanged, but he will defend her.
— Chicago (2002)
Eles me contaram que eles nunca me deixariam.
They told me they would never leave me.