they're there their - 3 words - pronounced the same - they mean different things. I am constantly getting it wrong.

How to Use They're, There, and Their

They’re, their, and there are among the most commonly confused homophones. Here, some tricks and examples to help you use them correctly.

What to Know

Their, there, and they're are all pronounced the same way. Their is the possessive pronoun, as in "their car is red"; there is used as an adjective, "he is always there for me," a noun, "get away from there," and, chiefly, an adverb, "stop right there"; they're is a contraction of "they are," as in "they're getting married."

Homophones — words that sound the same but have different meanings and spellings — can be tricky. There are three in particular that commonly confuse people. They're very tricky, in part because of their usefulness, which means that we call on them over and over in our writing here and there.

There's no need to confuse there, they're, and their. While they're not an easy group of words, with practice you can master their distinctions.

"There" Usage

And we'll start there. That one has the word here in it, which is helpful. It can remind us that this particular there is often about location:

There it is.
Put it there.
Stay there.
We'll be there soon.

It's about location in the more abstract sense too:

There you go.
There is where we disagree.
Friends who are always there for you.

It's also the one to use as the first word in sentences that have the subject after the verb:

There is a nice hotel in the town.

And it's the one used with the verb be at the beginning of sentences and questions:

There are plenty available.
Is there a hotel in the town?

The other two are trickier because they both have the idea of the plural in them. The key is discerning between the contraction for "they are" (they're) and the possessive of "belonging to them" (their).

"They're" Usage

They're is a contraction that means "they are." You can remember that apostrophes indicate the possessive only when used of 's, such as "the writer's thoughts." Otherwise, it's generally a contraction of two words, as in can't = cannot, or won't = will not, or an omission of a letter or letters, as in singin' for singing and 'em for them in stick it to 'em.

They're (=they are) funny people.
They're (=they are) the cutest puppies ever.

It can be used for non-living things too:

They're (=they are) both really good books.
They're (=they are) two of our biggest problems.
"Their" Usage

The last of this trio, their, is the possessive form of they, so it has to do with what belongs to, relates to, or is made or done by certain people, animals, or things:

It's their house.
We're their neighbors.
The trees are losing their leaves.

Their also has a long history of being used as a singular pronoun.
And there you go. They're not an easy group of words, but with practice we know you can master their distinctions.

In summary: There is the most common. It has the word here in it, which is helpful because it's often about location. They're always means "they are." Their is the possessive form of they.