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 #40,135
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 —

Lo demostraré.

I'll prove it.

— P.K. (Peekay) (2014)

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.

Se lo demostraré.

I'll prove it to you.

Te demostraré que estoy en lo cierto.

I’ll prove to you that I’m right.