Usage Examples Past Simple vs. Past Continuous

• Which song were you singing when I came in? -
• The town was changing quickly. -
• Bob was waiting for me for two hours yesterday. -
• My mother bought a new bag yesterday. -
• Was Anna having a shower when an earthquake began? -
• We found the keys we were looking for yesterday. -
• I was studying at the library all day yesterday. -
• My mother was cooking for five hours on Sunday. -
• My granddad went to see a doctor on Friday. -
• Why were you crying when I met you? -
• I wanted to call my mum but I called you instead. -
• I was standing in the line when I saw Mary. -
• Just as Ted was finishing his homework, he remembered another exercise he had to do. -
• Were you sleeping when everything happened? -
• My best friend graduated from the university in June. -
• You weren't dancing at noon yesterday. -
• Which shop did Tom go yesterday? -
• Who was Alessia talking to when you saw her? -
• I met Elisa when I was going to work. -
• Was your grandmother working when she met your grandfather? -