In English, you use words to show that someone owns something all the time - my book, your ball, his friend, her apple, their cat, our house. These are known as possessive adjectives. In other ...

A singular noun is a noun referring to just one person or thing, for example 'cat'. When you want to show that something belongs to that person or thing, you add a possessive apostrophe and an 's'.

We can demonstrate the link between two nouns either by using possessive forms (the US bank's finance division / the finance division of the US bank) or compound nouns (the US bank finance division).