Possessives in English: Adjectives, Pronouns, and Apostrophes

Imagine you are at a crowded Diwali party at your cousin’s house in Mumbai. You see a stray umbrella near the door and ask, “Is this your umbrella?” Or perhaps you are at an office meeting at TATA and need to clarify, “This is Rohan’s report, not mine.” In both these everyday situations, you are using possessives. Possessives are essential because they help us identify who owns an object or define the relationship between people and things. Without them, our sentences would be long, confusing, and repetitive.

1. Possessive Adjectives

Possessive adjectives are words that describe a noun by telling us who it belongs to. In English, we use my, your, his, her, its, our, and their. The most important thing to remember is that a possessive adjective always sits right before a noun. It cannot stand by itself. For example, you cannot say “That is my”; you must say “That is my tiffin.”

Many Indian learners make the mistake of adding an apostrophe to these words, like writing her’s or your’s. This is incorrect. These words are already possessive by nature and do not need any extra punctuation.

The “Its” vs. “It’s” Trap

This is one of the most common errors in written English globally.

• Its (no apostrophe) is the possessive adjective. Example: The dog wagged its tail.
• It’s (with apostrophe) is a contraction for “It is” or “It has.” Example: It’s (It is) raining in Bangalore today.

2. Possessive Pronouns

While possessive adjectives sit before a noun, possessive pronouns replace the entire noun phrase. We use them to avoid repeating the same word. Instead of saying “This phone is my phone,” we say “This phone is mine.”

Notice that words like mine, yours, hers, ours, and theirs never have a noun following them. Also, remember that his remains the same as an adjective and a pronoun, while its is rarely used as a pronoun.

3. The Possessive Apostrophe

When we want to show that a specific person or animal owns something, we use the apostrophe ('). The rule changes depending on whether the noun is singular or plural.

Singular Nouns

For a single person or thing, we add 's to the end of the name or noun.

• Ravi's house (The house belonging to Ravi)
• The cat's milk (The milk for the cat)
• The manager's decision (The decision made by the manager)

Plural Nouns Ending in 's'

If a group of people owns something and the word already ends in s, we only add the apostrophe (') at the end. Do not add another s.

• The students' results (Results of many students)
• The teachers' lounge (A room for all teachers)
• The Smiths' residence (The home of the Smith family)

Irregular Plurals

Some plural words do not end in s (like children, men, women, people). For these, we follow the singular rule and add 's.

• The children's playground
• The women's department in the store
• The people's choice award

4. The “Of-Possessive” for Things

While we say “Amit’s leg,” we usually do not say “the table’s leg.” For many inanimate objects (things that are not alive), we prefer using the word of. However, 's is common with buildings, organisations, and places.

• Correct: The roof of the building OR The building's roof
• Correct: The door handle (or: the handle of the door)
• Correct: India's capital OR The capital of India

However, for organisations or places, you can often use both: “The company’s policy” or “The policy of the company.” In modern English, we are becoming more flexible, but for exams and formal writing, use “of” for objects.

Time expressions are a key exception to the “of” preference — we use 's with periods of time, not of: “yesterday’s newspaper,” “a day’s work,” “a moment’s notice” (NOT “the newspaper of yesterday” or “the work of a day”).

5. Double Possessives

Sometimes, we combine the “of” structure with a possessive pronoun or an apostrophe. This is called a double possessive. We use this when we want to say “one of many.”

• A friend of mine (One of my many friends)
• A colleague of Rahul's (One of Rahul's colleagues)
• That idea of hers (One of her ideas)

We use this to sound more natural in conversation. If you say “My friend,” it sounds specific. If you say “A friend of mine,” it sounds like you are introducing someone from your social circle.

Common Mistakes by Indian Learners

Indian learners often carry over patterns from their native languages (like Hindi or Tamil) into English, leading to small but noticeable errors.

Summary

Possessives are the glue that connects people to their belongings and relationships. Mastering them ensures your writing is clear and professional.

• Use possessive adjectives (my, your, his) before a noun.
• Use possessive pronouns (mine, yours, hers) alone to replace a noun phrase.
• Use 's for singular owners and irregular plurals.
• Use only ' for plural owners ending in s.
• Use of for non-living objects (the back of the car).
• Never use an apostrophe in yours, hers, ours, its, or theirs.
• Use double possessives (e.g., a friend of mine) to refer to one of many.

Key takeaway: Always double-check your apostrophes—they are only for showing possession with nouns or for contractions, never for possessive pronouns! To practise, try labelling five items in your room right now using both an adjective and a pronoun (e.g., “This is my book; this book is mine.” ).