Soluzione del esercizio Think it out di Engage!, Vol. 1

Esercizi svolti per il libro Engage!, Vol. 1

Soluzione

  1. 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.
  2. We can use 'when' or 'while' before the action in progress but only when before the single action.