Is this your book?
Refers to something that belongs to the person being addressed.
Is this your car?
I found your keys.
Can I borrow your pen?
your friend
your house
your opinion
yours
thy
yourself
Your car is parked outside.
Used to indicate possession by the person being spoken to.
ด้วยพจนานุกรมภาพและแฟลชการ์ดที่ทรงพลังฟรี