yo demostraré

I will show, I will prove

→ demostrar
demostrar to show, to demonstrate, to prove + é 1st-person singular future
verb · first singular · future indicative Rare #39,925
I will show, I will prove
SP: Te demostraré que digo la verdad.
EN: I will prove to you that I’m telling the truth.
Conjugation of demostrar
Indicative future
SingularPlural
First demostraré
Subjunctive future
SingularPlural
First demostraré

Te lo demostraré.

I'll prove it to you.

— Los siete samuráis (1954)

Pero yo les demostraré mi fuerza.

But I will show them my strength.

— Predator: Badlands (2025)

Ven, te lo demostraré.

Come, I'll show you.

Te demostraré que estoy en lo cierto.

I’ll prove to you that I’m right.

Lo demostraré.

I'll prove it.

— P.K. (Peekay) (2014)

Se lo demostraré.

I'll prove it to you.