your
- you're
‘your’
You use your /jə/ or /jɔː/ to show that something belongs or relates to the person or people that you are speaking to.
Can I borrow your pen?
Where's your father?
‘you’re'
You are is also sometimes pronounced /jɔː/. When you write down what someone says, you write this as you're. Don't write it as ‘your’.
You're quite right.
You're not an expert.
