If that is the way things are, if that's the case.

To exist as an independent fact of (external) reality.

(grammar) abstract feature of a noun phrase that determines its function in a sentence, such as a grammatical case and a position.

A surname.

(informal) Actively working on something.

Used to show that an anterior explanation does not apply or does not adequately describe the situation.

If there should be.

present participle of case

That which encloses or encases. / (architecture) The decorative trim around a door or window. / (oil industry) A metal pipe used to line the borehole of a well.

plural of case