Упр. 1. Формы Continuous (Present, Past, Future) и Perfect (Present, Past,

Упр. 1. Формы Continuous (Present, Past, Future) и Perfect (Present, Past, Future) в реальном (Active) и страдательном (Passive) залогах. (B) Перепишите предложения, поставив глагол в нужную форму, и переведите их. 1. Within five years, the railway (to carry Past Continuous Active) over seven million passengers annually. 2. Nowadays, crossties (to make Present Simple Passive) of wood, concrete, steel. In some countries, plastic sleepers (to experiment Present Continuous Passive) with. 3. The construction of the railway bridge (to complete Past Perfect Passive) by the beginning of the navigation season. 4. Switzerland (to occupy Present Simple Active) a special place in the history of railway electrification, because its engineers (to make Present Perfect Active) a great contribution to this field and almost all its railways (to electrify / completely Present Simple Passive). 5. The train (to delay Past Simple Passive) because a tree (to fell Past Perfect Active) across the line.