ES: 1)I was speaking with my teacher. 2)I was writing you a mail. 3)I was eating a slice of pizza. 4) Licia was studying for an English test. 5) Olga and Michael were doing a volleyball match.
CHE SI STAVA SVOLGENDO IN PASSATO E CHE E' STATA INTERROTTA DAL VERIFICARSI DI UN'ALTRA AZIONE
UNA FRASE FORMATA DA DUE PERIODI
1. Azione in corso al past continuous che può essere introdotta da WHILE e/o AS (mentre).
ES: The phone rang WHILE Mike was reading a book.
2. Il periodo dell'azione sopravvenuta al past simple può essere introdotta da WHEN (quando).
ES: Mike was reading a book WHEN the phone rang.