Usage Examples Past Simple vs. Past Continuous

• Why was Lucy smoking at the party? -
• Were they studying at this time yesterday? -
• Which song were you singing when I came in? -
• I broke my leg when I was skiing. -
• Lisa was studying when Joe called her. -
• I was standing in the line when I saw Mary. -
• The town was changing quickly. -
• What were they doing when you arrived at the party? -
• Were they smiling when they saw you? -
• I wanted to call my mum but I called you instead. -
• While I was walking to the university, I witnessed an accident. -
• We found the keys we were looking for yesterday. -
• I was watching television when my mother came home. -
• Anna was sleeping when the burglars broke into her house. -
• My best friend graduated from the university in June. -
• Anna did not mean to hurt you. -
• Just as Ted was finishing his homework, he remembered another exercise he had to do. -
• We were playing tennis when Alex hurt his wrist. -
• I went to Tokyo last month. -
• My mother bought a new bag yesterday. -