Укажите Participle I, Participle II и установите функции каждого из них, т.е. укажите, является ли оно определением, обстоятельством или частью глагола-сказуемого.
The progress achieved by our company is great.
He was sitting at his desk looking through the catalogues.
When writing a cable we try to use as few words as possible.
The director had finished the talks when i came up to him.