He's never had any improper relationship with this woman.

In a later interview, he said there had been no improper relationship.

My answer to her stories about an affair with me is clear: there was never any improper sexual relationship.

He declined to elaborate on what the improper relationship was or identify the agent involved.

A: Well, sir, for one thing, there was no existing improper relationship at that time.

That said, the punishment for lying about an improper sexual relationship should fit the crime.

For example, he used the present tense in saying then that "there is no improper relationship."

But let me answer - it is not an improper relationship and I know what the word means"?

A president nearly impeached over what is deemed an improper relationship with a woman.