Replace the of-phrace by the noun in the possessive case.
1.The son of Ann. 2. The dog of Mr. Taylor. 3. The name of the boy. 4. The flat of my sisters. 5. The families of these workers. 6. The economy of the country. 7. The article of the researchers. 8. The pictures of the artist. 9. The shop of his friend. 10. The plan of the president.