Change the following of-phrases into phrases with the noun in the possessive case. (Измени фразы с предлогом of на словосочетания с существительным в притяжательном падеже.)
Example: the friend of my mother.
Answer: my mother’s friend;
1. novels by Roald Dahl —
;
2. the books of the boy —
;
3. the hat which belongs to Mary —
.