Упр. 1. Формы Simple (Present, Past, Future) в действительном (Active) и
страдательном (Passive) залогах.
(A) Перепишите предложения и переведите их. Выпишите сказуемые и укажите их видовременные формы.
Model: Chemicals derived from petroleum or natural gas – petrochemicals – are an essential part of the chemical industry today.‒ Химические вещества, полученные из нефти или природного газа - нефтехимия - сегодня являются неотъемлемой частью химической промышленности. are – Present Simple Active (to be)

1. Petroleum Engineers combine chemistry, physics and geology with engineering methods in the development, recovery and field processing of petroleum.

2. As the world supplies of light, easily extractable crude oil continue to decrease and demand continues to increase, the price people are willing to pay for a barrel of crude will increase as well.

3. The first petrochemical factory was built in 1872, and it made carbon black from natural gas.

4. Many various fuels are known to be obtained from the crude oil.

5. Most of the compounds found in petroleum are composed of hydrogen and carbon.

(B) Перепишите предложения, поставив глагол в нужную видовременную форму, и переведите их.

1. Pipeline oil transportation (to think ‒ Present Simple Passive) to be the most economical.

2. Sedimentary rocks of great permeability (to serve ‒ Present Simple Active) as reservoirs for oil and gas.

3. The deposits (to develop ‒ Past Simple Passive) in line with accumulated experience.

4. In the 19th century carbon black mostly (to use ‒ Past Simple Passive) as a colouring.

5. The boiling point of the crude oil (to depend ‒ Future Simple Active) largely on the hydrocarbons.

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