Quotes / Seinfeldian Conversation

Robert Lutece: I told you they'd come.
Rosalind Lutece: No, you didn't.
Robert: RIGHT, I was going to tell you they'd come.
Rosalind: But you didn't.
Robert: But I DON'T.
Rosalind: You sure that's right?
Robert: I was going to HAVE told you they'd come?
Rosalind: No.
Robert: The subjunctive?
Rosalind: That's not the subjunctive.
Robert: I don't think the syntax has been invented yet.
Rosalind: It would had to have had been.
Robert: Had to have...had...been? That can't be right.