This is the 718th most frequent Danish word.
kunnet
"Kunnet" is the past participle of "kunne," meaning "been able to."
In this sentence, 'kunnet' means 'been able to' and reflects ability or capacity in the past.
Jeg har aldrig kunnet forstå matematik.
I have never been able to understand mathematics.
Here, 'kunnet' indicates inability to perform the action of finding in the context of past occurrences.
Han har ikke kunnet finde sin telefon.
He has not been able to find his phone.
In this example, 'kunnet' expresses incapacity influenced by external circumstances, related to a previous timeframe.