The main difference between 'their', 'there', and 'they're' is their function in a sentence. 'Their' is a possessive pronoun showing ownership, 'there' is an adverb indicating a place or a pronoun used to start a sentence, and 'they're' is a contraction for 'they are'. Understanding this core distinction is the first step to mastering these common English homophones.
Confusing these three words is one of the most frequent grammar mistakes made by native speakers and English learners alike. Because they sound identical when spoken, it’s easy to mix them up in writing. This guide will break down the rules, provide clear examples, and give you simple tricks to remember what is the difference between 'their', 'there', and 'they're' so you can write with confidence.
A Quick Breakdown: Their vs. There vs. They're
Before we dive deep, let's start with a simple cheat sheet. The easiest way to learn the correct usage is to connect each word to a simple memory aid.
- Their: This word shows possession or ownership.
- *Memory Trick:* It has the word "heir" inside it, and an heir is someone who inherits things.
- There: This word refers to a place or location, or it can be used to introduce a thought.
- *Memory Trick:* It has the word "here" inside it, which also refers to a place. If you can replace it with "here," you're probably talking about a location.
- They're: This is a contraction of two words: "they" and "are."
- *Memory Trick:* The apostrophe (') stands in for the missing letter 'a' from the word "are."
When Should I Use 'Their'?
'Their' is a possessive pronoun. You use it when you want to show that something belongs to a group of people, animals, or things. It answers the question, "Whose?"
If you are describing something that belongs to 'them', then 'their' is the word you need. It always comes before a noun.
Examples of 'Their' in a Sentence:
- The players collected their uniforms before the game.
- (Whose uniforms? Theirs.)
- My neighbours are painting their house a new colour.
- (Whose house? Theirs.)
- The cats finished all of their food.
- (Whose food? Theirs.)
How Do I Use 'There' Correctly?
'There' is the most versatile of the three words and has two primary functions. Understanding both is key to avoiding common mistakes.
'There' as a Place or Location
This is its most common use. It functions as an adverb that points to a specific place.
- *Example:* "Please leave your coat over there by the door."
- *Example:* "I've always wanted to visit Paris. I hope to go there one day."
'There' as a Pronoun to Start a Sentence
'There' is also used to introduce a sentence, often with the verbs 'is', 'are', 'was', or 'were'. In this context, it indicates the existence of something.
- *Example:* "There is a problem with the Wi-Fi."
- *Example:* "There are two birds on the branch."
What Does 'They're' Mean?
'They're' is the simplest of the trio. It is always and only a contraction of the words "they" and "are." If you can replace 'they're' with 'they are' in your sentence and it still makes perfect grammatical sense, you are using it correctly.
A Simple Test for 'They're'
Try substituting "they are" into your sentence.
- They're going to be late for the meeting.
- *Test:* "They are going to be late for the meeting." (This works!)
- I think they're the best team in the league.
- *Test:* "I think they are the best team in the league." (This also works!)
- Look at they're new car.
- *Test:* "Look at they are new car." (This does not work. The correct word here is 'their'.)
Conclusion: Mastering Their, There, and They're
Mastering English grammar comes down to understanding rules and practicing them. While they sound the same, these three words have completely different jobs. By remembering the simple tricks—'their' has an 'heir', 'there' has a 'here', and 'they're' has an apostrophe for 'they are'—you can easily tell them apart. Knowing the difference between 'their', 'there', and 'they're' will make your writing clearer, more professional, and more accurate.
Frequently Asked Questions about Their, There, and They're
What part of speech is each word?
'Their' is a possessive pronoun. 'There' can function as either an adverb (of place) or a pronoun (to introduce a clause). 'They're' is a contraction, which is a shortened form of a pronoun ('they') and a verb ('are').
Is it ever correct to say "their are"?
No, this is a very common grammatical error. The correct phrase is "there are." You would use this to indicate the existence of multiple items. For example: "There are many good reasons to learn these rules."
How can I quickly check my writing for these mistakes?
A simple proofreading trick is to read your sentence and mentally substitute the full meaning. For 'they're', say 'they are'. For 'their', ask 'whose?'. For 'there', see if 'here' could work or if it's pointing to a location. This forces you to check the word's function, not just its sound.
Why are 'their', 'there', and 'they're' so confusing for learners?
They are confusing because they are homophones—words that are pronounced the same way but have different meanings, origins, and spellings. Many languages do not have homophones that are this common, making it a particular challenge for English learners and even native speakers.
Can I use "they're" to show possession?
No, absolutely not. 'They're' is only ever used as a substitute for "they are." To show possession or that something belongs to a group, you must use "their." A correct sentence might use both: "They're looking for their keys."