>>49883305Present Simple (for verb "to be"):
affirmative - Someone is ...
negative - Someone isn't ...
question - Is someone ...?
Present Simple (for verb oher than "to be"):
affirmative - Someone knows ...
negative - Someone doesn't know ...
question - Does someone know...?
Ignore "-s/-es" ending (knows -> know/does -> do) for other person than he/she/it)
Now OP, ask the question correctly.