411 REFERENCE · Wiktionary
-sın
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
şıñ Appendix:Variations of "sin"
Turkish
Suffix
tr suffix form
Suffix of verb "to be" for subject "you" (informal).
tr Yaşlısın. 1 You are old.
Usage notes
It's used when the word's last vowel is one of "a" or "ı".
It could be "-sun", "-sün", "-sin" according to the last vowel of the word.
While talking about you (plural) and you (formal), it becomes "-sınız"