Usage Examples Past Simple vs. Past Continuous

• My mother bought a new bag yesterday. -
• I was reading when the doorbell rang. -
• Was Anna having a shower when an earthquake began? -
• I was watching television when my mother came home. -
• Were you sleeping when everything happened? -
• Was your grandmother working when she met your grandfather? -
• My mother was cooking for five hours on Sunday. -
• Which shop did Tom go yesterday? -
• What was Jane wearing when you saw her at the theatre? -
• I was standing in the line when I saw Mary. -
• Why was Lucy smoking at the party? -
• What were you doing at eight o'clock last night? -
• While I was walking to the university, I witnessed an accident. -
• Which song were you singing when I came in? -
• When I woke up, it was snowing. -
• My best friend graduated from the university in June. -
• I wanted to call my mum but I called you instead. -
• I broke my leg when I was skiing. -
• Someone took a picture of Tom while he was sitting on a bench. -
• You weren't dancing at noon yesterday. -