The phrase "admitted to leaving" is correct and usable in written English.
You can use it when acknowledging or confessing to having departed from a place or situation, often in a context where there may be implications of wrongdoing or regret.
Example: "He admitted to leaving the party early without saying goodbye to anyone."
Alternatives: "acknowledged departing" or "confessed to exiting".
A fifth of the workers in the study admitted to leaving a canny e-mail or voicemail early or late in the day.
The complaint said that Ms. Pettway admitted to leaving the hospital with the baby and taking her by train to her home in Bridgeport, Conn.
According to Fox Sports, he has admitted to leaving messages seeking Sterger's company but has not admitted to sending graphic pictures to her.
He admitted to leaving out "a few poems which do not lend themselves to comment in English" – in fact 32 out of a corpus of 113.
(Though whether this defence could be sustained by a man who admitted to leaving a substantial cheque in a suit pocket – with the subsequent fear that it might be sent to the cleaners – and missed an anticipated call from a prospective donor because he had "popped out for a pint" is open to doubt).
Wallace admitted to leaving a message with hateful remarks against Islam, the Quran and the prophet Muhammad.
According to a report by Trend Micro (pdf), 77% of employees admit to leaving their computers unattended.
I'm a bad conservationist and – shoot me now – will admit to leaving the tap running while I brush my teeth.
He even admits to leaving the theatre feeling "strangely braced, even cleansed" by the experience, which conjures disquieting images about his condition going in.
Three out of 4 parents (74percentt) say they are against it; only 20percentt admit to leaving the children without an adult, though an additional 5percentt leave them alone under certain circumstances.
And even though she admits to leaving a box of macaroni and cheese on the counter when she's making the stealth vegetable version, she doesn't think her children will mind when they discover that mom's pulled a fast one.
