Определить в предложениях видовременные формы глаголов 1. Modern electric and diesel locomotives work at higher speed. 2. In the future the railway will raise the speed and weight of trains and the carrying capacity of the lines. 3. Our scientists are solving this complex problem now. 4. Some years ago the railroad was the best means of transportation. 5. The laboratory assistant was fixing a new computer from 5 till 7