he notado

I have noticed

→ haber
phrase Rare #36,212
I have noticed Used to describe something the speaker has observed or become aware of.
SP: He notado un cambio en su actitud.
EN: I have noticed a change in their attitude.

Eso es lo que he notado al estar aquí.

That's what I've noticed being here.

Lo he notado.

I've noticed it.

— Jean de Florette (1986)

¡Lo he notado!

I noticed!

— Juno: Crecer, correr y tropezar (2007)

Nunca lo he notado.

I've never noticed it.

Y, como he notado, su ropa interior no es para esta estación del año.

And, as I've noticed, her underwear isn't suitable for this time of year.

— Ирония судьбы, или С легким паром! (1976)

No creas que no he notado, cómo lo miras llena de lujuria.

Don’t think I haven’t noticed how you look at him, full of lust.

— La Bruja (2016)

No, Buggin Out, no he notado nada.

No, Buggin Out, I haven't noticed anything.

— Haz lo correcto (1989)

He notado que todos los que están a favor del aborto ya han nacido.

I've noticed that everyone who is pro-abortion has already been born.

Yo también lo he notado últimamente.

I've noticed it lately too.

— La ola (2008)