Вопрос по английскому языку:

My name is Nezrin. I study at school. I am 13 and I like reading books. My favourite writer is Suleyman Sani Akhundov. I often go to the school library and take the books from the library. My favourite books is " Ahmed and Meleyke ". Meleyke is Ahmed"s sister. Ahmed is 10 and Meleyke is 6. Ahmed goes to school. They do not have a father. They have a mother. Their mother"s name is Khadija. They have a house. genitive case -подчеркните