Переделайте следующие предложения, используя passive voice. переведите их на язык. 1. the production manager has already showed the prototype of a new engine to the board of directors. 2. the company should improve the packaging of its goods. 3. eagles publishing company increased its market share last year.

1)The prototype of a new engine had already been showed to the Board of Directors by the production manager/
2) The packaging of company's goods should be improved by it/
3) Eagles Publishing Company's market was increased by it last year/