1. +) Everyone was invited me yesterday. -) No one was invited me yesterday. sp.?) Who invited me yesterday? ?) Was anyone invited me yesterday? 2. +) He works every day. -) He doesn't work every day. sp.?) How often does he work? ?) Does he work every day? 3. +) There are many rivers in Russia. -) There aren't many rivers in Russia. sp.?) In which country there are many rivers? ?) Are there many rivers in Russia?