Она изучала искусство рисования три

Она изучала искусство рисования три года, прежде чем стала работать в издательстве.
Когда я попросил ее сделать иллюстрации она заканчивала иллюстрировать свою первую книгу

Результаты (английский) 1:

She studied the art of drawing three years before began working at the publishing house.When I asked her to do the illustrations she has finished to illustrate his first book

Результаты (английский) 2:

She studied the art of painting three years before she began to work in the publishing house.
When I asked her to do the illustrations she ended illustrate his first book

Результаты (английский) 3:

She studied art drawing three years before has become to work in publishing.
when I had asked her to make illustrations it this bulletin illustrate its first book