Word order
Inversion
Inversion is the change of a standard word order from subject-verb to verb-subject. If there is more than one verb, only the first auxiliary verb swaps places with the subject. Inversion is usually used in questions, but there are a number of other scenarios in which it applies. It is often used to make the speech more emphatic.
Inversion is not used a lot in everyday colloquial speech, it sounds a bit bookish and will remind people of Shakespeare’s times.
Hardly it makes knowledge of the rules of inversion less important for advanced students, does it?