What had she been doing before the phone rang?

A. She has been working on her project.
B. She had worked on her project.
C. She had been working on her project.
Explanation: The correct answer uses the Past Perfect Progressive tense to show that an action had
started in the past, continued for some time, and was still ongoing before another action happened.

They had been playing football for three hours when it started raining.

A. They had played football for three hours.
B. They had been played football for three hours.
C. They had been playing football for three hours.
Explanation: The correct answer uses the Past Perfect Progressive tense to show that an action had
started in the past, continued for some time, and was still ongoing before another action happened.

I had been watching TV when the doorbell rang.

A. I was watching TV when the doorbell rang.
B. I had been watching TV when the doorbell rang.
C. I have been watching TV when the doorbell rang.
Explanation: The correct answer uses the Past Perfect Progressive tense to show that an action had
started in the past, continued for some time, and was still ongoing before another action happened.

How long had they been studying when the teacher arrived?

A. They were studying for two hours.
B. They had studied for two hours.
C. They had been studying for two hours.
Explanation: The correct answer uses the Past Perfect Progressive tense to show that an action had
started in the past, continued for some time, and was still ongoing before another action happened.

She had been cooking dinner all evening when her guests arrived.

A. She had been cooking dinner all evening.
B. She has been cooking dinner all evening.
C. She had cooked dinner all evening.
Explanation: The correct answer uses the Past Perfect Progressive tense to show that an action had
started in the past, continued for some time, and was still ongoing before another action happened.

He had been living in Paris for three years before he moved to London.

A. He was living in Paris for three years.
B. He had lived in Paris for three years.
C. He had been living in Paris for three years.
Explanation: The correct answer uses the Past Perfect Progressive tense to show that an action had
started in the past, continued for some time, and was still ongoing before another action happened.

What had they been talking about before he interrupted them?

A. They had been talking about the weather.
B. They had talked about the weather.
C. They talked about the weather.
Explanation: The correct answer uses the Past Perfect Progressive tense to show that an action had
started in the past, continued for some time, and was still ongoing before another action happened.

They had been traveling around Europe for six months before they settled in Spain.

A. They traveled around Europe for six months.
B. They had traveled around Europe for six months.
C. They had been traveling around Europe for six months.
Explanation: The correct answer uses the Past Perfect Progressive tense to show that an action had
started in the past, continued for some time, and was still ongoing before another action happened.

I had been learning French for two years before I went to Paris.

A. I learned French for two years.
B. I had been learning French for two years.
C. I had learned French for two years.
Explanation: The correct answer uses the Past Perfect Progressive tense to show that an action had
started in the past, continued for some time, and was still ongoing before another action happened.

How long had she been studying for the exam before she realized she had the wrong book?

A. She studied for two hours.
B. She had studied for two hours.
C. She had been studying for two hours.
Explanation: The correct answer uses the Past Perfect Progressive tense to show that an action had
started in the past, continued for some time, and was still ongoing before another action happened.