1. By next July, she *will have been studying* at university for three years. (Hint: Brug “will have been” + verbets -ing form for at indikere en handling, som varer op til et tidspunkt i fremtiden.)
2. They *will have been working* on the project for six hours by the time you arrive. (Hint: Fokus på varighed frem til et fremtidigt tidspunkt.)
3. He *will have been living* in London for a decade next year. (Hint: Fremtidig perfekt progressiv viser en igangværende handling i fremtiden.)
4. By tomorrow, I *will have been waiting* here for over an hour. (Hint: Bruges for at beskrive varig ventetid frem til et bestemt tidspunkt.)
5. We *will have been traveling* for 24 hours by the time we reach our destination. (Hint: Angivelse af hvor længe noget varer i fremtiden.)
6. She *will have been teaching* at the school for five years next semester. (Hint: Kombination af “will have been” + verbets -ing form.)
7. By next week, they *will have been building* the bridge for six months. (Hint: Handling som fortsætter op til et fremtidigt tidspunkt.)
8. I *will have been working* here for ten years by 2025. (Hint: Fremtidig perfekt progressiv til at vise varighed.)
9. He *will have been exercising* for two hours when the class ends. (Hint: Brug “will have been” + verbets -ing form til varighed.)
10. By the time you call, she *will have been studying* for the exam all afternoon. (Hint: Handlingens varighed frem til et fremtidigt tidspunkt.)

1. Next month, we *will have been living* in this house for seven years. (Hint: Brug fremtidig perfekt progressiv for at beskrive en handling som varer op til et tidspunkt i fremtiden.)
2. By the end of the day, he *will have been working* on the report for 12 hours. (Hint: Angiv varighed af en igangværende handling i fremtiden.)
3. They *will have been practicing* the song for weeks before the concert. (Hint: Fokus på hvor længe noget varer indtil et fremtidigt tidspunkt.)
4. I *will have been waiting* here for 30 minutes by the time the bus arrives. (Hint: Brug “will have been” + verbets -ing form for at vise varighed.)
5. She *will have been studying* English for five years by the time she graduates. (Hint: Angiv en handling, som fortsætter op til et fremtidigt tidspunkt.)
6. By next summer, we *will have been working* on the new building for a year. (Hint: Fremtidig perfekt progressiv til varighed.)
7. He *will have been running* for an hour when the race finishes. (Hint: Brug “will have been” + verbets -ing form til at angive varighed.)
8. By the time you arrive, I *will have been cooking* for two hours. (Hint: Handlingens varighed frem til et bestemt fremtidigt tidspunkt.)
9. They *will have been driving* for five hours by the time they reach the hotel. (Hint: Varighed af en igangværende handling i fremtiden.)
10. She *will have been working* at the company for 20 years next month. (Hint: Brug fremtidig perfekt progressiv til at vise varighed.)