Learn Possessive ‘s: Show Ownership (Pre-A1 English Grammar)

Raúl Maguiña

Fundador da Langcom | Examinador dos exames de Cambridge e SIELE

julho 13, 2026

PRE-A1✏️ Grammar⏱️ 4 min read
To show that someone owns something in English, we add ‘s to the person’s name or a singular noun. This is called the possessive ‘s. It helps us understand who an item belongs to very quickly and clearly. For example, if you want to say that a book belongs to John, you say John’s book. The ‘s tells us that John is the owner of the book. We use this simple rule for people and sometimes for animals. It is a very common and important part of basic English grammar that you will use every day. You will see and hear it often in conversations, books, and online. Mastering the possessive ‘s is a great step for your Pre-A1 English journey because it makes your sentences much clearer and more natural. It’s an easy way to talk about possessions!

What is the Possessive ‘s for?

The possessive ‘s is a small but powerful part of English grammar. We use it to show ownership or a relationship between a person and a thing.

  • It answers the question “Whose is it?”
  • It tells us who something belongs to.

Think of it as a shortcut to say “the book of John” or “the car of my father.”

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How do we form the Possessive ‘s?

It is very simple to form the possessive ‘s with singular nouns and names.

  • Take the name of the person or the singular noun.
  • Add an apostrophe () and then the letter s.
  • Then, add the thing they own.

Look at these examples:

Possessive ‘s with Names

When someone’s name is singular, we add ‘s to the end of their name.

  • This is Mary’s bag. (The bag belongs to Mary.)
  • That is Tom’s ball. (The ball belongs to Tom.)

Even if a name ends in s, like James, we still add ‘s. For example: James’s car.

Possessive ‘s with Singular Nouns

We also use ‘s with singular nouns that are not names, like teacher ou dog.

  • This is the teacher’s desk. (The desk belongs to the teacher.)
  • That is the dog’s bone. (The bone belongs to the dog.)

Remember, this rule is for singular nouns only. We will learn about plural nouns later.

How to Show Possession with 's
Owner Form Example
A singular person’s name Name + ‘s John’s book
A singular noun (person/animal) Noun + ‘s The girl’s hat

Examples

  • This is Anna’s pencil.
  • That is my father’s car.
  • Where is the cat’s toy?
  • Is this Peter’s book?
  • The girl’s hat is red.

Practice

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Common mistakes for Spanish speakers

Spanish speakers sometimes make these mistakes:

  • Using “of” instead of ‘s: In Spanish, you might say “el libro de Juan.” In English, we use ‘s.
    • Wrong: The book of John.
    • Right: John’s book.
  • Forgetting the apostrophe: The apostrophe is very important. Without it, Johns book looks like a plural word, not a possessive.
    • Wrong: This is Marias bag.
    • Right: This is Maria’s bag.
  • Confusing it’s e its: It’s means it is ou it has. Its is a possessive pronoun (like his ou her).
    • Wrong: The dog wants it’s bone.
    • Right: The dog wants its bone.
    • Right: It’s a big dog. (It is a big dog.)

Perguntas frequentes

What does the possessive ‘s mean?

The possessive ‘s means that something belongs to someone. For example, Sarah’s phone means “the phone of Sarah.”

Can I use ‘s for things that are not people?

Yes, you can use ‘s for animals, like the dog’s toy. Sometimes you can use it for places or time, but for Pre-A1, focus on people and animals.

Is “its” the same as “it’s”?

No, they are different! It’s is a short form for it is ou it has. Its shows possession for things or animals, like The cat likes its food.

Why is the apostrophe important in ‘s?

The apostrophe tells you that ‘s means possession. Without it, the word might look like a plural (more than one) or a verb. For example, dogs means many dogs, but dog’s means something belonging to one dog.

Sobre o autor: Raúl Maguiña

Raúl Maguiña é diretor da Asociación Educativa Langcom, um centro autorizado de preparação para o Cambridge English em EUA. Com mais de uma década de experiência no ensino de idiomas e em certificações internacionais, ele já ajudou milhares de alunos, professores e instituições de ensino em 25 países a obter as certificações de inglês da Cambridge, IELTS, TOEFL e Michigan.

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