„Was haben Sie bisher beruflich gemacht?“
Frau Jansen möchte wissen, was Erika bisher beruflich gemacht hat.

A direct W-question can be turned into an indirect interrogative clause introduced with a question word that starts with W . As you already know from other subordinate clauses, the conjugated verb in the direct W-question "migrates" to the end of the subordinate clause. Be careful: in the indirect question, the perspective is often switched, affecting the person or personal pronoun.

Frau Jansen fragt Erika:
„Welche Qualifikationen haben Sie?“
Frau Jansen möchte wissen, welche Qualifikationen sie hat.
Frau Jansen möchte wissen, welche Qualifikationen Erika hat.