Usage Examples Past Simple vs. Past Continuous

• My granddad went to see a doctor on Friday. -
• I was studying at the library all day yesterday. -
• Lisa was studying when Joe called her. -
• We found the keys we were looking for yesterday. -
• I was reading when the doorbell rang. -
• Which shop did Tom go yesterday? -
• When I woke up, it was snowing. -
• Where was your cousin born? -
• My best friend graduated from the university in June. -
• When I walked into the room, they were dancing. -
• While I was walking to the university, I witnessed an accident. -
• Anna was sleeping when the burglars broke into her house. -
• Were they studying at this time yesterday? -
• Why were you crying when I met you? -
• Why was Lucy smoking at the party? -
• I met Elisa when I was going to work. -
• What was Jane wearing when you saw her at the theatre? -
• Who was Alessia talking to when you saw her? -
• Paula was running when the storm started. -
• The children were playing in the park when it started to rain. -