for all i know in a sentence

Examples

1. For all I know, he maintains those six seats, just because.
2. He might have been throwing in the training room for all I know.
3. Could be a healthy dose of carrageenan, for all I know.
4. For all I know he could have been visiting him there.
5. For all I know he could have piloted my flight from Phnom Penh.
6. He could be building, for all I know, a nuclear reactor,
7. For all I know, Levine did terrible editting on many pages.
8. They might very well be fair use for all I know.
9. He could have stepped on a stone for all I know.
10. They may have shot it out after the show for all I know.