Usage Examples Past Simple vs. Past Continuous

• While I was walking to the university, I witnessed an accident. -
• My mother bought a new bag yesterday. -
• I met Elisa when I was going to work. -
• Who did you see at the train station? -
• Emma called me when I was sitting on the train. -
• I went to Tokyo last month. -
• Lisa was studying when Joe called her. -
• Why were you crying when I met you? -
• You weren't dancing at noon yesterday. -
• I was reading when the doorbell rang. -
• We were playing tennis when Alex hurt his wrist. -
• My mother was cooking for five hours on Sunday. -
• Paula was running when the storm started. -
• Which song were you singing when I came in? -
• Bob was waiting for me for two hours yesterday. -
• When I woke up, it was snowing. -
• What were you doing at eight o'clock last night? -
• Just as Ted was finishing his homework, he remembered another exercise he had to do. -
• Why was Lucy smoking at the party? -
• Anna was sleeping when the burglars broke into her house. -