4 a) Read the text and circle the examples of the possessive case. When do we use the possessive case? b) Circle the correct answer. 1 Lewis is a Carmen's and Anthony son. b Carmen and Anthony's son. 2 Anthony is ... a Lewis Hamilton's father. b Lewis Hamiltons' father. 3 Nicola and Samantha are ... a his sisters' names. b his sister's names. 4 Oliver is his ... name. a granddads b granddad's​