nunca haría eso

would never do that

→ nunca
phrase Uncommon #22,169
would never do that Uses the conditional form haría to express that someone would not do something under any circumstances. Nunca hacemos eso and nunca hice eso use different verb forms and mean “we never do that” and “I never did that,” respectively.
SP: Yo nunca haría eso por dinero.
EN: I would never do that for money.

Yo nunca haría eso.

I would never do that.

— Lars y una chica de verdad (2007)

Pero eso la lastimaría y yo nunca haría eso.

But that would hurt her, and I would never do that.

— La venganza de Manon (1986)

Un soldado nunca haría eso.

A soldier would never do that.

— A Taxi Driver: Los héroes de Gwangju (2017)

Nunca haría eso.

I would never do that.

Él nunca haría eso, viejo.

He'd never do that, man.

— Cidade dos Homens (2007)

Me dijo que nunca haría eso.

He told me he would never do that.

Ella nunca haría eso.

She would never do that.

Él dijo que nunca haría eso.

He said he would never do that.

Oye, ahora lo sabes Yo nunca haría eso.

Hey, now you know. I would never do that.

— The Running Man (2025)

Dijo que nunca haría eso.

He said he would never do that.