Usage Examples Past Simple vs. Past Continuous

• Why was Lucy smoking at the party? -
• While I was walking to the university, I witnessed an accident. -
• The children were playing in the park when it started to rain. -
• Lisa was studying when Joe called her. -
• Were they studying at this time yesterday? -
• We found the keys we were looking for yesterday. -
• What were you doing at eight o'clock last night? -
• Anna was sleeping when the burglars broke into her house. -
• Anna did not mean to hurt you. -
• Was your grandmother working when she met your grandfather? -
• I was studying at the library all day yesterday. -
• Maddie came back at midnight. -
• Just as Ted was finishing his homework, he remembered another exercise he had to do. -
• I met Elisa when I was going to work. -
• I went to Tokyo last month. -
• I wanted to call my mum but I called you instead. -
• Who did you see at the train station? -
• I was standing in the line when I saw Mary. -
• Were they smiling when they saw you? -
• I broke my leg when I was skiing. -