Phrases Phrases for Apologizing for Mistakes

It was my fault.

A2

Meaning

Taking responsibility.

Example sentences

John: I'm so sorry about what happened.

Alice: It's okay, but what happened?

John: It was my fault. I should have been more careful.

Alice: I appreciate you taking responsibility. I have to admit that I made a mistake too. But what's done is done, and we know that it was my fault.