I can write "what a cup is?" as question and I can write "what is a cup?". Are both forms grammatically correct?

The former one looking a bit off when used without context, but I'm planning to use it in a pair like: "What a cup is not?" and "What a cup is?". Stressing on IS rather than on a cup in this case, as I want to stress that definition is important and important when done in comparison to a not part.

Maybe it is sound even better with some adjective rather then noun, like: "What flexibility is not?" vs "What flexibility is?".

But I feel that this is somehow wrong still.


1 Answer 1


What is a cup? is a question form.

I can tell you what a cup is. is a statement form.

The question in writing always requires the inverted form.

Title: What a Cup Is and What It Is Not.

OR What Is or Is not a Cup

  • Oh, yes. I completelly confused those. Thanks! Jan 9 at 15:35

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