Распределите нижеперечисленные предложения, в которых есть participle i, participle ii и gerund по соответствующим группам. объясните свой выбор. 1.denning collaborated with ed coffman, jr., on operating systems theory, which became a classic textbook used in graduate courses and stayed in print until 1995. 2.in the middle 1970s denning collaborated with jeffrey buzen on operational analysis, extending buzen's basic laws to deal with all queuing networks. 3.the operational framework explained why computer performance models work so well, even though violating the traditional stochastic markovian assumptions. 4.it has become the preferred method for teaching performance prediction in computing courses. 5.denning was one of the four founding principal investigators of computer science network, sponsored by the national science foundation. 6.they led the development of a fully self supporting cs community network that by 1986 included 165 sites and 50,000 users. 7.csnet was the key transitional stepping stone from the original arpanet to the nsfnet and then the internet.
