siento no haberte

I'm sorry I didn't

→ sentir
phrase Uncommon #22,472
I'm sorry I didn't Used before an infinitive or past participle to apologize for not having done something to/for you. The full phrase is often followed by a past participle or infinitive.
SP: Siento no haberte llamado antes.
EN: I'm sorry I didn't call you earlier.

Siento no haberte llamado ayer.

I'm sorry I didn't call you yesterday.

— Casi famosos (2000)

Mira, siento no haberte dado la vida que querías, ¿de acuerdo?

Look, I'm sorry I couldn't give you the life you wanted, okay?

— American Gangster (2007)

Siento no haberte podido salvar.

I'm sorry I couldn't save you.

— Los pecadores (2025)

Siento no haberte llamado.

I'm sorry I didn't call you.

— Contratiempo (2017)

Siento no haberte contado sobre la prisión.

I'm sorry I didn't tell you about the prison.

— La asistenta (2025)