...the film when the phone ... (you/watch) (ring)?
Were you watching the film when the phone rang?
Вы смотрели фильм, когда зазвонил телефон?
John ...(see) a bright light as he ... (walk) down the street.
John saw a bright light as he was walking down the street.
Джон увидел яркий свет, когда шел по улице.