1. She *had been studying* for three hours before the exam started. (Hint: had + been + verb med -ing)
2. They *had been waiting* at the bus stop when it finally arrived. (Hint: handling som pågikk før en annen handling)
3. I *had been working* all day before I took a break. (Hint: bruk «had been» + verb med -ing)
4. He *had been playing* football before it began to rain. (Hint: fortid som varte en stund)
5. We *had been living* in that house for five years before we moved. (Hint: fokus på varighet før en hendelse)
6. She *had been cooking* dinner when the guests arrived. (Hint: pågående handling i fortid før en annen handling)
7. The children *had been playing* outside before it got dark. (Hint: had been + verb -ing for handling i fortid)
8. I *had been reading* the book for two hours before I fell asleep. (Hint: handlingens varighet før noe annet skjedde)
9. They *had been traveling* all night before they reached the city. (Hint: handling pågikk over tid i fortid)
10. He *had been waiting* for her for an hour when she finally called. (Hint: had been + verb med -ing for varighet)

1. I *had been practicing* piano for months before the concert. (Hint: had been + verb med -ing for en handling som varte)
2. She *had been feeling* tired because she had been working late. (Hint: bruk past perfect progressive for å vise varighet)
3. They *had been arguing* for hours before they made up. (Hint: handling pågikk før en slutt)
4. We *had been hoping* to see the fireworks before it started to rain. (Hint: fokus på varighet før en annen hendelse)
5. He *had been driving* for five hours when he finally stopped for a break. (Hint: had been + verb -ing for varighet)
6. The dog *had been barking* all night before the neighbors complained. (Hint: handling som pågikk over tid i fortiden)
7. I *had been thinking* about the problem before I found the solution. (Hint: past perfect progressive for en pågående tanke)
8. She *had been studying* English for years before she moved to London. (Hint: varighet i fortid før en annen hendelse)
9. They *had been watching* TV when the power went out. (Hint: handling som pågikk før en plutselig hendelse)
10. We *had been cleaning* the house all morning before the guests arrived. (Hint: bruk had been + verb med -ing for fortidens varighet)