Usage Examples Past Simple vs. Past Continuous

• What were they doing when you arrived at the party? -
• While I was walking to the university, I witnessed an accident. -
• Bob was waiting for me for two hours yesterday. -
• When I woke up, it was snowing. -
• I was standing in the line when I saw Mary. -
• I was watching television when my mother came home. -
• My mother bought a new bag yesterday. -
• Anna did not mean to hurt you. -
• Anna was sleeping when the burglars broke into her house. -
• My granddad went to see a doctor on Friday. -
• What was Jane wearing when you saw her at the theatre? -
• Why were you crying when I met you? -
• Someone took a picture of Tom while he was sitting on a bench. -
• What were you doing at eight o'clock last night? -
• My mother was cooking for five hours on Sunday. -
• The bird was singing in the garden when the cat attacked it. -
• My best friend graduated from the university in June. -
• The town was changing quickly. -
• We found the keys we were looking for yesterday. -
• Was Anna having a shower when an earthquake began? -