Phrases Phrases for Apologizing for Mistakes

It was an oversight on my part.

B1

Meaning

Acknowledging a mistake due to carelessness.

Example sentences

John: 'I forgot to send the email.'

Alice: 'It was an oversight on my part. I'll send it right away.'

John: 'It was an oversight on my part. I'll make sure it doesn't happen again.'

Alice: 'I missed a deadline.'