Example Of Sentences Past Progressive

(+)  She      was       selling   a   shoes           last week
         S       Tobe      V+ing           O         Adverb Of Time
(-)   She was not selling a shoes last week
(?)  Was she selling a shoes last week?


(+)  You     were        reading   a   magazine    three days ago
         S       Tobe         V+ing              O         Adeverb Of Time
(-)   You were not reading a magazine three days ago
(?)  Were you not reading a magazine three days ago?