Exercício 1: Complete com Past Perfect ou Past Perfect Continuous (ênfase na ação concluída ou em sua duração)
1. She *had finished* (ação concluída no passado antes de outra) her homework before dinner.
2. They *had been waiting* (ação contínua que durou antes de outro evento) for two hours when the bus finally arrived.
3. I *had seen* (ação completa antes de outra ação passada) that movie twice before last night.
4. We *had been walking* (ação contínua antes de um evento passado) for a long time before we found a place to rest.
5. He *had lost* (ação concluída no passado) his keys before he left the house.
6. The children *had been playing* (ação contínua que terminou antes de outra) outside all afternoon.
7. She *had cooked* (ação concluída) dinner before her guests arrived.
8. You *had been studying* (ação contínua) for hours before the exam started.
9. They *had left* (ação concluída) the party when we arrived.
10. I *had been reading* (ação contínua) that book for weeks before I finished it.
2. They *had been waiting* (ação contínua que durou antes de outro evento) for two hours when the bus finally arrived.
3. I *had seen* (ação completa antes de outra ação passada) that movie twice before last night.
4. We *had been walking* (ação contínua antes de um evento passado) for a long time before we found a place to rest.
5. He *had lost* (ação concluída no passado) his keys before he left the house.
6. The children *had been playing* (ação contínua que terminou antes de outra) outside all afternoon.
7. She *had cooked* (ação concluída) dinner before her guests arrived.
8. You *had been studying* (ação contínua) for hours before the exam started.
9. They *had left* (ação concluída) the party when we arrived.
10. I *had been reading* (ação contínua) that book for weeks before I finished it.
Exercício 2: Identifique se a frase usa Past Perfect ou Past Perfect Continuous e complete corretamente
1. Before the meeting, she *had prepared* all the documents. (ação concluída antes de outra)
2. He *had been driving* for five hours when he stopped to rest. (ação em progresso antes de outra)
3. They *had cleaned* the house before the guests arrived. (ação concluída)
4. I *had been thinking* about the problem all day yesterday. (ação contínua no passado)
5. We *had finished* the project before the deadline. (ação concluída)
6. She *had been practicing* the piano for months before the concert. (ação contínua)
7. The team *had won* three games before the final match. (ação concluída)
8. He *had been feeling* sick all morning before he went to the doctor. (ação contínua)
9. They *had arrived* at the station before the train left. (ação concluída)
10. I *had been working* at the company for ten years before I got promoted. (ação contínua)
2. He *had been driving* for five hours when he stopped to rest. (ação em progresso antes de outra)
3. They *had cleaned* the house before the guests arrived. (ação concluída)
4. I *had been thinking* about the problem all day yesterday. (ação contínua no passado)
5. We *had finished* the project before the deadline. (ação concluída)
6. She *had been practicing* the piano for months before the concert. (ação contínua)
7. The team *had won* three games before the final match. (ação concluída)
8. He *had been feeling* sick all morning before he went to the doctor. (ação contínua)
9. They *had arrived* at the station before the train left. (ação concluída)
10. I *had been working* at the company for ten years before I got promoted. (ação contínua)
Descarrega a aplicação talkpal 
