Completa las frases con la forma correcta del verbo que se encuentra entre paréntesis.
Ejemplo Betty _____ (work) in a bank before she _____ (go) back to school.1 de 10 I _____ already _____ (drink) two cups of coffee by the time my husband _____ (wake up).2 de 10 They _____ never _____ (see) a 3D movie before 2009 when they _____ (see) "Avatar" for the first time.3 de 10 She _____ (enjoy) the beach when it _____ (start) to rain.4 de 10 He _____ (be) healthy all his life before he _____ (have) the heart attack.5 de 10 I _____ (be) exhausted because I _____ (sleep, not) well.6 de 10 They _____ never _____ (own) a house before they _____ (buy) the house next door.7 de 10 Bill said that he ____ (run) in three marathons last year.8 de 10 _____ you ever _____ (be) to a big city before you _____ (go) to New York?9 de 10 Andy told us he ____ (mean) to call us for weeks.10 de 10 Sarah ____ (look) for work for months when they hired her. 
