Sentence examples for should but have from inspiring English sources

In part, the gap is because some voters may be able to identify a name (or think they should) but have trouble placing it.

But should have scored.

Q: But should have anticipated that?

But should I have been?

But should he have?

But should you have accepted this job?

But should it have been published?

But should he have answered?

But should there have been?

But should O'Farrell have resigned?

It shouldn't have but it did.