Usage Examples Past Simple vs. Past Continuous

• Which song were you singing when I came in? -
• Was your grandmother working when she met your grandfather? -
• I was studying at the library all day yesterday. -
• When I woke up, it was snowing. -
• Who did you see at the train station? -
• The town was changing quickly. -
• My mother was cooking for five hours on Sunday. -
• The children were playing in the park when it started to rain. -
• Maddie came back at midnight. -
• While I was walking to the university, I witnessed an accident. -
• I went to Tokyo last month. -
• Anna did not mean to hurt you. -
• I was standing in the line when I saw Mary. -
• Were they studying at this time yesterday? -
• What were they doing when you arrived at the party? -
• Lisa was studying when Joe called her. -
• Were you sleeping when everything happened? -
• I broke my leg when I was skiing. -
• Why was Lucy smoking at the party? -
• I met Elisa when I was going to work. -