Soluzione del esercizio Think it out di Engage!, Vol. 1
Esercizi svolti per il libro Engage!, Vol. 1 con autore Monica Berlis, Jane Bowie, Heather Jones e Barbara Bettinelli
Domanda
Choose the correct alternative.
Soluzione
We use Past continuous to talk about an action in progress in the past and the Past simple to talk about a single action which happens during the action in progress.
We can use 'when' or 'while' before the action in progress but only when before the single action.