Usage Examples Past Simple vs. Past Continuous

• Was your grandmother working when she met your grandfather? -
• Who did you see at the train station? -
• We found the keys we were looking for yesterday. -
• Paula was running when the storm started. -
• Why was Lucy smoking at the party? -
• I went to Tokyo last month. -
• I was studying at the library all day yesterday. -
• Were they studying at this time yesterday? -
• When I walked into the room, they were dancing. -
• We were playing tennis when Alex hurt his wrist. -
• My mother bought a new bag yesterday. -
• Maddie came back at midnight. -
• I was standing in the line when I saw Mary. -
• What were they doing when you arrived at the party? -
• Someone took a picture of Tom while he was sitting on a bench. -
• Was Anna having a shower when an earthquake began? -
• The bird was singing in the garden when the cat attacked it. -
• While I was walking to the university, I witnessed an accident. -
• My mother was cooking for five hours on Sunday. -
• The town was changing quickly. -