Упражнение 3 Измените число существительных на множественное и внесите соответствующие изменения в остальные члены предложений: 1. We have built a gigantic factory. 2. The ox has hurt its hoof, and cannot draw the cart. 3. The sheep is grazing in the meadow. 4. The valley is green, and a deer is grazing in it. 5. There was a potato in the basket. 6. There was a fish in the net. 7. The hoof of an ox is cloven, that of a horse is not. 8. The key to the box is lost. 9. The roof of that house leaks; it needs repairing. 10. He brought a pailful of water from the river. 11. As soon as the train has arrived, the postman will deliver the letter. 12. A passer-by saw the accident. 13. This shelf contains several books on different subjects. 14. The hero was received with joy. 15. The leaf turned first yellow and then brown, and dropped off and was blown into the corner of the garden. 16. A fox often prowled about the farm yard, seeking a fat goose to carry off.