1. I *was reading* a book when you called.
Hint: “Leggere un libro” (azione in corso) quando sei arrivato.
2. They *were playing* football at 4 o’clock.
Hint: “Giocare a calcio”, plurale.
3. She *was watching* TV when the phone rang.
Hint: “Guardare la TV”, terza persona singolare.
4. We *were having* dinner at eight.
Hint: “Cenare”, plurale.
5. He *was raining* when we left home.
Hint: “Pioveva” durante l’uscita.
6. You *were listening* to music.
Hint: “Ascoltavi musica”, seconda persona.
7. The children *were sleeping* quietly.
Hint: “Dormivano tranquillamente”, plurale.
8. I *was studying* while my friends were playing.
Hint: “Stavo studiando”, azione in corso.
9. She *was cooking* dinner when I arrived.
Hint: “Preparare la cena”, terza persona singolare.
10. We *were travelling* in Spain last summer.
Hint: “Viaggiare”, azione di lunga durata.

1. I *wasn’t sleeping* when you called.
Hint: Negazione; non “stavo dormendo” quando hai chiamato.
2. Was she *doing* her homework at noon?
Hint: Domanda; “faceva i compiti a mezzogiorno?”.
3. We *weren’t playing* football in the park.
Hint: Negazione; “non stavamo giocando a calcio”.
4. Were you *watching* TV when it started to rain?
Hint: Domanda “guardavi la TV?”, seconda persona.
5. She *wasn’t listening* to the teacher.
Hint: Negazione, terza persona singolare.
6. Were they *studying* at the library?
Hint: Domanda; “stavano studiando in biblioteca?”.
7. I *wasn’t working* at that time.
Hint: Negazione; “non stavo lavorando”.
8. Was it *raining* when you left?
Hint: Domanda; “stava piovendo?”
9. They *weren’t having* lunch then.
Hint: Negazione; “non stavano pranzando”.
10. Was he *waiting* for you?
Hint: Domanda; “stava aspettando te?”.