Когда моя сестра убирала вчера свою

Когда моя сестра убирала вчера свою комнату, она все время пела,

Результаты (английский) 1:

When my sister was cleaning her room, yesterday she was singing all the time

Результаты (английский) 2:

When my sister was cleaning his room yesterday, she was singing all the time,

Результаты (английский) 3:

when my sister was cleaning my room yesterday, she is singing.