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Possessive Adjectives

My, your, his, her, its, our, their — how possessive adjectives work and when to use them.

Last updated: 16 January 2026

★☆☆☆☆ Level 1AdjectivesPossessivePronounsGrammardeterminers2 min read

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Possessive Adjectives Table

Subject pronounPossessive adjectiveExample
ImyThat is my book.
youyourIs this your pen?
hehisHe forgot his bag.
sheherShe loves her dog.
ititsThe cat licked its paw.
weourWe did our homework.
theytheirThey lost their keys.

Key Rules

Possessive adjectives come before a noun:
✅ my book, her smile, their house
❌ book my, smile her, house their

Do not confuse with pronouns:

  • my = adjective before noun → This is my car.
  • mine = pronoun alone → This car is mine.

It's vs. Its:

  • its (possessive adjective) = belonging to it → The dog wagged its tail.
  • it's (contraction) = it is → It's raining today.

Common Mistakes

IncorrectCorrectWhy
Is this you're bag?Is this your bag?"your" not "you're" (you are)
The dog hurt it's leg.The dog hurt its leg."its" = belonging to it
Me sister is tall.My sister is tall.adjective, not pronoun

Real world: filling in a form

Please enter your name, your date of birth, and your address in the boxes below.

Real world: school notice

Students must bring their PE kit on Wednesday. If your kit is lost, please speak to your form teacher.

Real world: social media post

Just got my exam results! I passed! My mum is so proud. What were your results?

Tip Possessive adjectives are everywhere: on forms ("Enter your details"), in school letters ("Return your permission slip"), in product manuals ("Press its power button"), and on social media. They never change form — my book and my books both use my.