Sentence examples for we know for sure from inspiring English sources

What is that we know for sure?

Then we know for sure who won.

Some things we know for sure.

Yet how can we know for sure?

Here's one thing we know for sure.

(This much we know for sure).

What do we know for sure?

Here's what we know for sure.

There are things we know for sure.

"We know for sure he will not come here".

All we know for sure is that he stopped.