1. I *had been studying* for hours before I took the test.
Hint: “Studiare per ore” prima di sostenere l’esame.
2. She *had been living* in London for five years when I met her.
Hint: “Vivere a Londra per cinque anni” prima di incontrarla.
3. They *had been running* for twenty minutes when it started to rain.
Hint: “Correre da venti minuti” quando ha iniziato a piovere.
4. We *had been waiting* for the bus for half an hour.
Hint: “Aspettare l’autobus da mezz’ora” prima che arrivasse.
5. He *had been working* at the company since 2010 before he left.
Hint: “Lavorare in azienda dal 2010” prima di andarsene.
6. The children *had been playing* outside when their mother called them.
Hint: “Giocare fuori” quando la madre li ha chiamati.
7. You *had been speaking* English very well before moving to London.
Hint: “Parlare inglese molto bene” prima del trasferimento.
8. She *had been teaching* there for a long time when she retired.
Hint: “Insegnare lì da tanto tempo” prima di andare in pensione.
9. I *had been thinking* about it for days.
Hint: “Pensare a questo per giorni” prima di un evento successivo.
10. We *had been looking* for the keys for an hour before we found them.
Hint: “Cercare le chiavi da un’ora” prima di trovarle.

1. I *hadn’t been sleeping* well before the holidays.
Hint: Negazione, “non dormire bene” prima delle vacanze.
2. Had you *been waiting* long before the bus arrived?
Hint: Domanda, “Aspettare da molto…?”, forma interrogativa.
3. She *had not been working* there for long when she was promoted.
Hint: Negazione (“non lavorare lì da molto” quando è stata promossa).
4. Had it *been raining* all week when you came?
Hint: Domanda, “Pioveva tutta la settimana…?”.
5. The students *hadn’t been paying* attention.
Hint: Negazione (“non prestare attenzione”).
6. Had John *been living* in Paris before he moved to London?
Hint: Domanda (“John/vivere a Parigi prima di…”).
7. We *had not been expecting* any visitors.
Hint: Negazione (“non aspettare visite”).
8. Had she *been looking* for a new job?
Hint: Domanda (“cercare un nuovo lavoro?”).
9. They *hadn’t been eating* much before the party.
Hint: Negazione (“non mangiare molto prima della festa”).
10. Had you *been feeling* ill before you went to the doctor?
Hint: Domanda (“sentirsi male prima di andare dal medico?”).