Usage Examples Past Simple vs. Past Continuous

• What were they doing when you arrived at the party? -
• What were you doing at eight o'clock last night? -
• My mother bought a new bag yesterday. -
• My granddad went to see a doctor on Friday. -
• Were they studying at this time yesterday? -
• Was Anna having a shower when an earthquake began? -
• Emma called me when I was sitting on the train. -
• I went to Tokyo last month. -
• Where was Rob going when he lost his phone? -
• My mother was cooking for five hours on Sunday. -
• I was standing in the line when I saw Mary. -
• Anna was sleeping when the burglars broke into her house. -
• Were you sleeping when everything happened? -
• When I walked into the room, they were dancing. -
• When I woke up, it was snowing. -
• Just as Ted was finishing his homework, he remembered another exercise he had to do. -
• I was studying at the library all day yesterday. -
• Which song were you singing when I came in? -
• Someone took a picture of Tom while he was sitting on a bench. -
• Bob was waiting for me for two hours yesterday. -