di non averlo fatto

for not having done it

→ di
phrase Uncommon #18,011
for not having done it Used with verbs or expressions such as dispiacersi to refer to an action that was not completed. Literally, di non averlo fatto means “of not having done it,” with lo meaning “it.”
IT: Mi scuso di non averlo fatto prima.
EN: I apologize for not having done it sooner.

Mi dispiace tanto di non averlo fatto.

I'm so sorry I didn't do it.

— The Brutalist (2024)

Tom e Mary hanno detto di non averlo fatto apposta.

Tom and Mary said they didn't do it on purpose.

Afferma di non averlo fatto.

He claims he didn't do it.

Mi duole di non averlo fatto.

I'm sorry I didn't do it.

— Vivere (1952)

Dice di non averlo fatto.

He says he didn't do it.

Mary giurò di non averlo fatto.

Mary swore she hadn’t done it.