W-questions are used when asking someone about an unknown fact. These questions cannot be answered with a simple "yes" or "no". They usually begin with the letter W, e.g.:
|Question word||Conjugated verb||Subject|
|Grammatical terms in German:
die W-Frage: W-questions are open questions that cannot be answered with "yes" or "no". They are also called Ergänzungsfragen. At the beginning of a W-question there is a question word that usually begins with the letter W.