Перепишите и переведите предложения. определите форму (present, past, future) и функцию (основной, , модальный) глаголов to be и to have. подчеркните эти глаголы в варианте. 1. railways are to be completely automated to increase high-speed transportation. 2. a lot of changes are taking place in modern science and technology. 3. mobile cranes have a great lifting capacity. 4. the old hump yard (сортировочная станция) had to be modernized. 5. computеrs are used to automate the train movement.