Пожалуйста, срочно нужна помощь!!!

Переведите предложения обращая внимание на перевод Participle.

1 Everything being ready we began our experiment.
2 All questions having been settled we began testing a specimen of wall panel.
3 The article being written in German, we could not understand it.
4 Having made a great number of experiments with different substances, the chemists found that most of them could be decomposed into other substances.
5 Having been tested, the new apparatus was recommended for work.