Определите время и залог сказуемого.
1) The grazing of cattle and sheep prevented much natural regeneration of trees. 2) But in spite of the two wars the Forestry Commission has now planted 1, 5 million acres of trees in the 500 forests of the country. 3) A number of universities have specialist courses which provide a steady flow of men who will occupy various positions both in State and private woodlands.