Sentence examples for know do from inspiring English sources

We don't know, do we?

I don't know, do we?

You don't know, do you?

"You just never know, do you?

Then tomorrow — you never know, do you?

Most Russian immigrants I know do not.

"Everybody we know does something".

Everyone you know does too.

Everyone I know did.

Some lesbian couples we know did not.

But then, nobody I know does.