Yesterday my Mum, Dad and I ______ ( to go) to

Yesterday my Mum, Dad and I ______ ( to go) to Covent Garden.While my parents ____( to shop), I _____ ( to watch) the Street actors' performance. The performance was great! The pantomime actors and the jugglers _____ ( to entertain) the people around for two hours. While one man in a bright cap ____ ( play) the violine, the juggler ____ ( to juggle) six big balls and the pantomime actor ____ ( to stand) like a statue. The people ____ ( laugh) while the clowns ____ ( to do) sill things. When my parents ____ ( to arrive), one of the actors ____ ( to show) tricks. We ___ ( to leave) the performance while the people around ____ ( to sing) together with the street actors.
ЗАДАНИЕ: put the verbs in brackets in the correct tense form ( Past Progressive or Past Simple ).
расположите глаголы в скобке в правельной форму (прошедшую прогресивную или простое прошедшее) и объясните почему вы поставили в эту форму