I did not say she did that.- Somebody else said she did that.
I did NOT say she did that. - It's a lie to say that I said she did that.
I did not SAY she did that. - I implied that she did that.
I did not say SHE did that. - I said Somebody Else did that.
I did not say she DID that. - I said she contributed to that.
I did not say she did THAT. - I said she did the other. 幾