1. She *had been studying* for three hours before the exam started. (Hinweis: Verwenden Sie die Vergangenheitsform von „to have“ + „been“ + Verb mit -ing)
2. They *had been playing* football all afternoon when it began to rain. (Hinweis: Dauerhafte Handlung vor einem Ereignis in der Vergangenheit)
3. He *had been working* at the company for five years before he quit. (Hinweis: Vergangenheit, die andauerte, bevor etwas anderes passierte)
4. We *had been waiting* for the bus for half an hour when it finally arrived. (Hinweis: Zeitdauer + „had been“ + Verb + -ing)
5. I *had been reading* the book before I watched the movie. (Hinweis: Handlung, die vor einer anderen stattfand und andauerte)
6. You *had been practicing* the piano every day before the concert. (Hinweis: Past Perfect Progressive zeigt die Dauer an)
7. The children *had been playing* outside until it got dark. (Hinweis: Dauer einer Handlung in der Vergangenheit)
8. She *had been cooking* dinner when the phone rang. (Hinweis: Handlung in der Vergangenheit, die vor einer anderen stattfand)
9. They *had been traveling* for months before they settled down. (Hinweis: Verwendung von „had been“ + Verb + -ing)
10. He *had been feeling* sick all week before he saw the doctor. (Hinweis: Zustand oder Handlung, die andauerte)

1. I *had been living* in Berlin for two years before I moved to Tel Aviv. (Hinweis: Dauer + „had been“ + Verb + -ing)
2. She *had been learning* Hebrew for six months before visiting Israel. (Hinweis: Handlung, die vor einem Ereignis stattfand)
3. We *had been driving* for hours when the car broke down. (Hinweis: Zeitdauer vor einem Vorfall)
4. He *had been waiting* at the station for 20 minutes before the train arrived. (Hinweis: Dauer einer Handlung im Plusquamperfekt)
5. They *had been discussing* the plan all morning before making a decision. (Hinweis: Handlung in der Vergangenheit, die vor einer anderen stattfand)
6. You *had been studying* the grammar rules before the test started. (Hinweis: Verlauf einer vergangenen Handlung)
7. The workers *had been building* the bridge for months before it was completed. (Hinweis: Handlung, die eine Zeit lang andauerte)
8. I *had been thinking* about the problem for days before I found a solution. (Hinweis: Past Perfect Progressive zur Betonung der Dauer)
9. She *had been exercising* regularly before the injury happened. (Hinweis: Handlung, die vor einem Ereignis stattfand)
10. We *had been planning* the trip for weeks before we booked the tickets. (Hinweis: Dauerhafte Vorbereitung vor einem Ereignis)