Task 4. Analyze the sentences, find the Complex Object with the
infinitive and translate them.
1. The ancients thought the Earth to be flat.
2. Some scientists consider Mars to be covered with vegetation.
3. As in liquids, the atmospheric pressure at any given point is equal
in all directions but we know it to decrease as altitude increases.
4. On close examination of a piece of granite we find it to be
composed of several kinds of minerals having different degrees of
hardness, different colors, and different properties in general.
5. We know the first central electric power-stations to have been
built for the supply of electric light.
6. Using more rigorous reaction conditions, Doern found the ethyl
derivative to yield alcohol.
7. Spectrographic analysis provided by the laboratory showed this
tin to be 99, 99 % pure.
| 
