Expressions of Blaming Someone:
It’s your fault.
It’s your mistake.
I can’t believe that you did it.
How could you do such a thing?
Are you out of your mind?
What on earth were you thinking?
I think you are the one to blame.
I think you are the one who could have done it.
Expressions of Accusing Someone:
It must have been you who did it.
I think you’re the only person who could have done it.
You must be doing something wrong.
Accepting blaming and accusing:
I’m sorry. It’s my fault.
I’m sorry for the things I’ve done.
I’m really sorry. I didn’t mean to.
Sorry for my fault.
It’s my responsibility. I’m sorry.
You’re right! It’s my fault. I’m sorry.
Refusing blaming and accusing:
It’s not true.
It’s not my fault.
I’m not the one to blame.
I didn’t do it.
You’re wrong. It wasn’t me.