Learn English – What qualification you are looking for?

grammaticalityquestionssubject-verb-inversionverbsword-order

Well this may be a very silly and obvious question but it's bothering me so I am asking it here. I am writing a letter and I asked the question

What qualification are you looking for?

However my colleague says it should be

What qualification you are looking for?

Well, some how I think my version is correct but I cannot justify it grammatically, can someone tell me which of the interrogation is correct? and why?

Best Answer

When asking a question that begins with a "questioning word" like what, who, which, when or how, the verb will usually be placed before the subject. This is called "inversion", because it's the opposite order from an ordinary non-question sentence. You can read about it here.

In the case that you've cited, the first version is correct. The second version is something that a native speaker would never say.