Translation of "Funcionaría" in English

¿Cómo funcionaría eso?

How should it work?

No sabía si funcionaría,

I didn't know if it would work,

Te dije que no funcionaría.

I told you it wouldn't work.

Era un hombre puro y bien intencionado, no lo sabría, su mente no funcionaría mal.

He was a pure and well-intentioned man, he would not know, his mind would not work evil.