Exercise 1.12. Put the following sentences in plural and write them down. Pay attention to the changes of the verb (глагол):1. A new house is in our street. 2. This story is very interesting. 3. There was a woman, a man, a boy and a girl in the room. 4. In the farm-yard we could see an ox, a sheep, a cow and a goose. 5. Put this knife on that table. 6. Why don't you eat this potato? 7. This strawberry is still green. 8. A yellow leaf has fallen to the ground. 9. Can you see a bird in that tree? 10. Does your tooth still ache? 11. I held up my foot to the fire to warm it. 12. His child studies very well. 13. Is this worker an Englishman or a German? — He is a Frenchman. 14. What is that child's name? 15. The cat has caught a mouse. 16. I have hurt my foot. 17. The wolf has been shot. 18. He keeps his toy in a box. 19. This man works at our office. 
помогите пожалуйста очень надо.

  1. A new house is in our street.  – The new houses are in our streets. 2. This story is very interesting.  – These stories are very interesting. 3. There was a woman, a man, a boy and a girl in the room.  – There are women, men, boys and girls in the rooms. 4. In the farm-yard we could see an ox, a sheep, a cow and a goose. – In the farm-yards we could see oxen, sheep, cows and geese. 5. Put this knife on that table. - Put these knives on those tables. 6. Why don't you eat this potato? Why don't you eat these potatoes? 7. This strawberry is still green. - These strawberries are still green. 8. A yellow leaf has fallen to the ground.- The yellow leaves have fallen to the ground. 9. Can you see a bird in that tree? - Can you see the birds in those trees? 10. Does your tooth still ache? - Do your teeth still ache? 11. I held up my foot to the fire to warm it. -  We held up our feet to the fire to warm them. 12. His child studies very well. - Their children study very well. 13. Is this worker an Englishman or a German? — He is a Frenchman. -  Are theses workers Englishmen or Germen? — They are Frenchmen.  14. What is that child's name? - What are those children's names? 15. The cat has caught a mouse.  - The cats have caught mice. 16. I have hurt my foot.  - . We have hurt our feet. 17. The wolf has been shot. - The wolves have been shot.  18. He keeps his toy in a box.  - . They keep their toys in the boxes. 19. This man works at our office.  - These men work at our offices