no haber

not to have done

→ no

phrase Extremely common #138

not to have done Used with a past participle to form the negative infinitive perfect, expressing regret or referring to an action that did not happen in the past.

SP: Lamento no haber llamado antes.

EN: I'm sorry I didn't call earlier.

¡Vaya lío que se ha montado por no haber avisado a tiempo al resto del equipo!

What a mess has been created by not warning the rest of the team in time!

Me alegro de no haber comprado tal cosa.

I'm glad I didn't buy such a thing.

Es mi culpa por no haber hallado la puerta antes.

It's my fault for not having found the door sooner.

— Suzume (2022)

Tom deseó no haber puesto nunca un pie en la casa de María.

Tom wished he had never set foot in María's house.

Él lamentó no haber seguido mi consejo.

He regretted not having followed my advice.

Me arrepiento de no haber hecho caso a su consejo.

I regret not having heeded his advice.

Por favor, acepte nuestras disculpas por no haber cubierto su solicitud antes.

Please accept our apologies for not having processed your request sooner.

Debo disculparme por no haber escrito durante tanto tiempo.

I must apologize for not having written for so long.

Por favor, perdóname por no haber escrito antes.

Please forgive me for not writing sooner.

Siento no haber contestado tu carta antes.

I'm sorry I didn't reply to your letter sooner.

Me siento mal por no haber ido a visitarla cuando estaba enferma.

I feel bad for not visiting her when she was sick.

Podría no haber nada.

There might be nothing.

— El jardín de los pecadores: Paradigma paradoja (Paradoja espiral) (2008)

No permitas que la situación esté fuera de control por no haber actuado a tiempo.

Don't let the situation get out of control because you didn't act in time.

Me arrepiento de no haber ido allá.

I regret not having gone there.

Qué tonto de mí no haber pensado en eso.

How silly of me not to have thought of that.

Me alegro de no haber comido lo mismo que tú.

I'm glad I didn't eat the same thing as you.

Parece no haber duda sobre eso.

There seems to be no doubt about that.

Tiene suerte de no haber entrado en combate.

He's lucky he didn't get into combat.

— El hundimiento (2004)

Él parece no haber entendido de qué se trata.

He doesn't seem to have understood what it's about.

Espero no haber olvidado nada.

I hope I haven't forgotten anything.

— Solo en casa (1990)

Él está orgulloso de no haber ido nunca al médico.

He is proud of never having gone to the doctor.

Me arrepiento de no haber trabajado más duro.

I regret not having worked harder.

Siento no haber aparecido la otra noche.

I'm sorry I didn't show up the other night.

— Nicky, la aprendiz de bruja (1989)

Tom espera no haber estropeado el trabajo.

Tom hopes he hasn't ruined the job.

Me siento mal por no haber ido a su funeral.

I feel bad for not having gone to his funeral.

Quizá, pero al no haber lágrimas como prueba, no sabrías si es tristeza.

Perhaps, but without tears as proof, you wouldn't know if it's sadness.

— Burning (2018)

Ella lamenta no haber actuado para llenar ese vacío.

She regrets not having acted to fill that void.

— La vida de Adèle (2013)

Siento no haber ido al ensayo.

I'm sorry I didn't go to the rehearsal.

— State and Main (2000)

Podría no haber existido nada más que en la mente de esa madre.

It might have existed only in that mother's mind.

— Durante la tormenta (2018)

Me arrepiento de no haber hecho caso.

I regret not having listened.

Me acusaron de no haber cumplido mi promesa.

They accused me of not keeping my promise.

Me arrepiento no haber comprado esa casa.

I regret not buying that house.

Él parece no haber comprendido su importancia.

He seems not to have grasped its importance.

Espero no haber lastimado a tu Señor.

I hope I haven't hurt your Lord.

— Acantilado rojo (2008)