This is the 27th most frequent Afrikaans word.
jy
"You" (singular, informal).
In this sentence, 'jy' is the subject pronoun referring to the person being addressed directly.
Jy is baie vriendelik.
You are very kind.
Here, 'jy' acts as the subject in a question, being the one performing the action of bringing the book.
Het jy jou boek saamgebring?
Did you bring your book with you?
In this example, 'jy' is used to indicate the person being spoken about, directly addressing someone regarding their actions.