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.
1) prevented Past Simple, active voice (действительный )
2) has planted Present Perfect, active voice
3) have Present Simple, active
provide Present Simple, active
will occupy Future Simple, active
Объяснение: