1) when the film star came into the restaurant i didn't recognize her because i didn't see any of her films 2) when i came out of the cinema i had found that a thief had taken my car radio нужно найти ошибку. (форма глагола, в каком времени стоит) past simple, past continuous, past perfect and past perfect continuous. (может быть и такое, что и нет ошибки вовсе)
1) when the film star came into the restaurant I didn't recognize her because I hadn't seen any of her films 2) when I came out of the cinema I found that a thief had taken my car radio