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

Raúl Maguiña

Fundador de Langcom | Examinador de Cambridge y del SIELE

julio 13, 2026

PRE-A1✏️ Gramática⏱️ 4 minutos de lectura
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.

Fíjate en estos ejemplos:

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 o 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

Ejemplos

  • 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.

Práctica

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Errores habituales de los hispanohablantes

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.
  • Confuso it’s y its: It’s means it is o it has. Its is a possessive pronoun (like his o 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.)

Preguntas más frecuentes

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 o 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 el autor: Raúl Maguiña

Raúl Maguiña es el director de la Asociación Educativa Langcom, un centro autorizado de preparación para el examen Cambridge English en EE.UU.. Con más de una década de experiencia en la enseñanza de idiomas y la certificación internacional, ha ayudado a miles de estudiantes, profesores e instituciones educativas de 25 países a conseguir las certificaciones de inglés de Cambridge, IELTS, TOEFL y Michigan.

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