Mom had made / had been making us dinner by the time we brought the takeout food home.
Mom had made us dinner by the time we brought the takeout food home.
Tommy had studied / had been studying all day for the test by the time he had a headache.
Tommy had been studying all day for the test by the time he had a headache.
Cindy had taken / had been taking piano lessons for years without stopping.
Cindy had been taking piano lessons for years without stopping.
Which place in Japan had most travelers shared / been sharing on Instagram before the severe earthquake happened?
Which place in Japan had most travelers shared on Instagram before the severe earthquake happened?
Mr. Chen had worked / had been working for this hospital as a doctor for over twenty years before he started volunteering here.
Mr. Chen had been working for this hospital as a doctor for over twenty years before he started volunteering here.
What had happened / had been happening when the criminal escaped from prison?
What had happened when the criminal escaped from prison?
By the time my eyes felt comfortable, I had worn / had been wearing contacts for over 12 hours.
By the time my eyes felt comfortable, I had been wearing contacts for over 12 hours.
Had you prepared / been preparing enough food and drinks by the time your guests showed up?
Had you prepared enough food and drinks by the time your guests showed up?
People had tried / had been trying to fly by the time the Wright Brothers invented their flying machine.
People had been trying to fly by the time the Wright Brothers invented their flying machine.
I had seen / had been seeing that movie already when Andrew asked me to go with him.
I had seen that movie already when Andrew asked me to go with him.
