-sun

See also: Appendix:Variations of "sun"

Turkish

Suffix

-sun

1. Suffix of verb "to be" for subject "you" (informal).

   Mutlusun. ― You are happy.

Usage notes

• It's used when the word's last vowel is one of "o" or "u".
• It could be "-sün", "-sin", "-sın" according to the last vowel of the word.
• While talking about you (plural) or you (formal), it becomes "-sunuz"