There are some cows in the field.
There are some horses in the field.
There some sheeps in the field.
There is a dog in the field.
There is no pig in the forest.
There are no tigers in the forest.
There are some foxes in the forest.
There are some rabbits in the forest.
There is a bear in the forest.
There is a wolf in the forest.
There is no deer in the forest.
There are no elephants in the forest.
Удачи!