1. формы continuous (present, past, future) и perfect (present, past, future) в действительном (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.
2. The plastic sleepers are experimenting by some countries with.
3. The construction of the railway bridge was completing by the beginning of the navigation season.
4. Switzerland occupies a special place in the history of railway electrification, because its engineers have made a great
contribution to this field and almost all its railways to electrify.
5. The train delayed across the line by a tree.