Usage Examples Past Simple vs. Past Continuous

• I was studying at the library all day yesterday. -
• Which shop did Tom go yesterday? -
• Maddie came back at midnight. -
• I was reading when the doorbell rang. -
• What were they doing when you arrived at the party? -
• Which song were you singing when I came in? -
• Someone took a picture of Tom while he was sitting on a bench. -
• Were you sleeping when everything happened? -
• My best friend graduated from the university in June. -
• While I was walking to the university, I witnessed an accident. -
• My mother was cooking for five hours on Sunday. -
• Was your grandmother working when she met your grandfather? -
• My wife arrived when I was having a bath. -
• Paula was running when the storm started. -
• Were they studying at this time yesterday? -
• The children were playing in the park when it started to rain. -
• I met Elisa when I was going to work. -
• Just as Ted was finishing his homework, he remembered another exercise he had to do. -
• Bob was waiting for me for two hours yesterday. -
• I was standing in the line when I saw Mary. -