Определить функцию глагола to be. The whole production process in controlled by an information sistem. 2 All sources models in information theory are random process models. 3 The network of post-offces rendering direct services to production is growing year after year.

1 The whole production process in controlled by an information sistem. (форма страдательного залога).

2 All sources models in information theory are random process models. (глагол-связка).

3 The network of post-offces rendering direct services to production is growing year after year. (форма настоящего продолженного времени).