The past perfect continuous describes an event that started in the past and continued up until another moment in the past.
• She had been working for the company for three years before she was promoted.
• They had been waiting for more than 40 minutes before their table at the restaurant was finally ready.
The past perfect continuous can also be used to demonstrate the cause and effect of actions.
• Emily was tired because she had been studying all night.
• Sara lost the race because she hadn't been training as hard as she used to.
The past perfect continuous describes an event that started in the past and continued up until another moment in the past.
• She had been working for the company for three years before she was promoted.
• They had been waiting for more than 40 minutes before their table at the restaurant was finally ready.
The past perfect continuous can also be used to demonstrate the cause and effect of actions.
• Emily was tired because she had been studying all night.
• Sara lost the race because she hadn't been training as hard as she used to.
The past perfect continuous describes an event that started in the past and continued up until another moment in the past.
• She had been working for the company for three years before she was promoted.
• They had been waiting for more than 40 minutes before their table at the restaurant was finally ready.
The past perfect continuous can also be used to demonstrate the cause and effect of actions.
• Emily was tired because she had been studying all night.
• Sara lost the race because she hadn't been training as hard as she used to.