Usage Examples Past Simple vs. Past Continuous

• My mother was cooking for five hours on Sunday. -
• I wanted to call my mum but I called you instead. -
• Bob was waiting for me for two hours yesterday. -
• I was reading when the doorbell rang. -
• I was studying at the library all day yesterday. -
• Lisa was studying when Joe called her. -
• I was standing in the line when I saw Mary. -
• Maddie came back at midnight. -
• While I was walking to the university, I witnessed an accident. -
• Someone took a picture of Tom while he was sitting on a bench. -
• I broke my leg when I was skiing. -
• When I woke up, it was snowing. -
• Paula was running when the storm started. -
• Was your grandmother working when she met your grandfather? -
• Which song were you singing when I came in? -
• Were they studying at this time yesterday? -
• We were playing tennis when Alex hurt his wrist. -
• My best friend graduated from the university in June. -
• Why were you crying when I met you? -
• Were you sleeping when everything happened? -