How to spell They're/There/Their
They're, there and their are not usually misspelled but the wrong word is often used instead of the right one. To remember which is the correct spelling to use, picture the following:
They're missing an A (they are)
Another word that sounds like "there" and "their" is "they're".
"They're" is a contracted (shortened) form of "they are". Some people make the mistake of writing, for instance, "Their going to the party", when what they really mean is "They're (they are) going to the party".
Use "they're" in informal writing; if its an essay or other formal writing, use "they are".
Their and There
Their – of or belonging to them (it shows ownership).
There – is, at or to that place or position (it means "that location").
To remember the difference:
1. That house is their house.
2. Put your coat down there.
3. They were on their way to school
4. There is the hotel we stayed at last year.
There contains "here" because it is to do with a place.
Shall we meet here or there? (place)
"There is also often used to precede "is", "was", "are" and "were" in sentences such as:
There are/were many different ways of solving the problem.
There is/was a saying that pigs might fly.
There are/were nine million bicycles in Beijing.
Their means something belonging to them.
The heir to the throne inherited lots of property (Belonging to).
How to spell they're/there/their
All three spellings, they're, there and their, can be used in one sentence such as the one below:
Here is a single sentence that illustrates the correct use of their, there and they're:
"Their aunt said there is no doubt they're walking to the party, and should be there soon."