 Another important aspect of "wh"-clauses concerns the absence of subject-auxiliary inversion in embedded clauses, as illustrated in the c-examples just produced.Subject-auxiliary inversion is obligatory in matrix clauses when something other than the subject is focused, but it never occurs in embedded clauses regardless of the constituent that is focused.A systematic distinction in word order emerges across matrix "wh"-clauses, which can have VS order, and embedded "wh"-clauses, which always maintain SV order, e.g.