already done that
Mir war nicht klar, daß ihr das schon getan hattet.
I wasn’t aware that you had already done that.
Have you done that yet?
I've already done that.
Sie sagten, sie hätten das schon getan.
They said they had already done that.
Tom hat das schon getan.
Tom has already done that.
Sie sagten, daß sie das schon getan hätten.
They said that they had already done it.
Er sagt, er habe das schon getan.
He says he has already done that.