Sentence examples for I certainly don't from inspiring English sources

I certainly don't know".

Because I certainly don't.

I certainly don't.

"I certainly don't worry".

But I certainly don't".

"I certainly don't eat it.

"I certainly don't!" Fat chance.

"I certainly don't doubt myself".

I certainly don't see that.

"I certainly don't enjoy gum," he said.

"I certainly don't think we've regressed".