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We use apostrophe s (’s), also called possessive ’s, as a determiner to show that something belongs to someone or something: Is that Olivia’s bag? Britain’s coastline is very beautiful. We can also use it in complex noun phrases (underlined): Greg is her youngest daughter’s husband. We can use two possessive ’s constructions in the same noun phrase: We went to Jake’s father’s funeral. We also use possessive ’s to talk about time and duration: Is that yesterday’s paper? I’ve only had one week’s holiday so far this year. Rules for using possessive ’s We use ’s after a singular noun and ’ after a plural noun. Compare singular noun + ’s plural noun + ’ The girl’s bedroom (The bedroom belongs to one girl.) The girls’ bedroom. (The bedroom belongs to more than one girl.) We use ’s with irregular plural nouns (e.g. children, men, people, women): The children’s parents decided which university they would go to. They have no respect for other people’s property. The rules for the pronunciation of a noun with ’s are the same as the rules for pronunciation of plural forms of nouns. Compare noun + ’s or ’ plural noun pronunciation The cat’s dier is in the fridg

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