tú supieras

you knew

→ saber

sup know + ieras 2nd-person singular imperfect subjunctive

verb · second singular · imperfect subjunctive Uncommon #15,867

you knew Imperfect subjunctive (tú form); often used after expressions like “si…” (if…) or to express doubt, wishes, or hypotheticals.

SP: Si supieras la verdad, no dirías eso.

EN: If you knew the truth, you wouldn’t say that.

Conjugation of saber

saber saberlo

Subjunctive imperfect

	Singular	Plural
First	sabía	sabíamos
Second	sabías	—
Third	sabía	sabían

supiera

Necesitaba que lo supieras, eso es todo.

I needed you to know, that's all.

— Un lugar en ninguna parte (1988)

Actúa como si no supieras.

Act as if you don't know.

No he dicho nada que no supieras.

I haven't said anything you didn't already know.

— Oppenheimer (2023)

No sabía que supieras pilotar un avión.

I didn't know you knew how to fly a plane.

— Indiana Jones y la última cruzada (1989)

Yo no quería que tú supieras.

I didn't want you to know.

Hablas como si lo supieras todo.

You talk like you know everything.

Solo necesitaba que supieras que no soy una mala persona.

I just needed you to know that I'm not a bad person.

— La asistenta (2025)

Sería bueno que lo supieras.

It would be good for you to know that.

— Secret Sunshine (2007)

No tenía ni idea que supieras tanto sobre esas cosas.

I had no idea you knew so much about those things.

— स्वदेस (2004)

Como si no lo supieras.

As if you didn't know.

— Solaris (1972)

Quisiera que supieras lo mucho que significas para mí.

I want you to know how much you mean to me.

No sabía que supieras conducir.

I didn’t know you knew how to drive.

Como si lo supieras.

As if you knew.

— The Internship (2026)

Cierto, no creo que lo supieras.

True, I don't think you knew that.

— Old Boy (2003)

Vamos, como si no supieras que está muerto, ¿verdad?

Come on, as if you didn't know he's dead, right?

— El maquinista (2004)

Como si no supieras.

As if you didn't know.

No actúes como si no supieras lo que está pasando.

Don't act as if you don't know what's going on.

Sigue cómo si no supieras nada.

Carry on as if you didn't know anything.

Mucho antes de que supieras de mí, yo ya sabía de ti.

Long before you knew about me, I already knew about you.

— Ghost in the Shell (1995)

Desearía que supieras hablar español.

I wish you knew how to speak Spanish.

Yo siempre pensaba que supieras nadar.

I always thought you knew how to swim.

Pero no porque no la supieras.

But not because you didn't know it.