not that I know of

Not that I know of - there was already a similar case.

"Not that I know of, but she has been through some rough times recently."

"Not that I know of, and my mother works alone."

"Not that I know of, though he's certainly been with her a few times this phase.

"No, not that I know of," the young man said.

None who did, at least not that I knew of, but a lot of men.

"Not that I know of and it certainly didn't happen here.

"Not that I know of," she says, never one to insist.

"Not that I know of, unless you have questions."

"Not that I know of, as long as it keeps to itself."

"Not that I know of," answered the old servant; "but she seems to want to give trouble."

"Not that I know of, but again, Laura could tell you more."

"Not that I know of," he said at last.

I hadn't done anything to anger her, not that I knew of at least.

Not that I know of; if they do, my son, they will be your affair, so good luck to you.

"Not that I know of," was the puzzled answer.

Not that I know of, but there's a link to the audio at the end of the story.

Asked if public transportation is available in her town, she replies, "Not that I know of."

And she'd had to say, "Not that I know of."

"Not that I know of, and I've lived here all my life.

"No, not for this long, not that I know of.

Finally, he shook his head, "Not that I know of."

"Not that I know of," she said a trifle ruefully.

"Not that I know of," she said with the detachment of her profession.

He looked thoughtful, then said, "Not that I know of."