Когда моя сестра учила вчера англий

Когда моя сестра учила вчера английский, мой брат играл в своей комнате в компьютерные игры.

Результаты (английский) 1:

When my sister taught English, yesterday my brother played in his room at computer games.

Результаты (английский) 2:

When my sister was teaching English yesterday, my brother was playing in his room video games.

Результаты (английский) 3:

when my sister taught me english last night, my brother was playing computer games in my room.