Usage Examples Past Simple vs. Past Continuous

• My best friend graduated from the university in June. -
• The town was changing quickly. -
• Was Anna having a shower when an earthquake began? -
• I was reading when the doorbell rang. -
• The bird was singing in the garden when the cat attacked it. -
• Emma called me when I was sitting on the train. -
• Maddie came back at midnight. -
• Anna was sleeping when the burglars broke into her house. -
• Someone took a picture of Tom while he was sitting on a bench. -
• I was standing in the line when I saw Mary. -
• Were they studying at this time yesterday? -
• Paula was running when the storm started. -
• Which song were you singing when I came in? -
• You weren't dancing at noon yesterday. -
• Were they smiling when they saw you? -
• We found the keys we were looking for yesterday. -
• My wife arrived when I was having a bath. -
• What were they doing when you arrived at the party? -
• Who did you see at the train station? -
• Where was Rob going when he lost his phone? -