Sen öğrenci misin?
English: Are you a student?
In Turkish, 'soru ekleri' are question particles added to the end of sentences to form yes/no questions. They are not attached directly to the verb but are written separately.
Use 'soru ekleri' in Turkish when you want to ask a yes/no question. The correct form depends on the last vowel of the word before it, following vowel harmony.
Sen öğrenci misin?
English: Are you a student?
Bugün hava güzel mi?
English: Is the weather nice today?
Kahve ister misin?
English: Do you want coffee?
O evde mi?
English: Is he/she at home?
Yorgun musunuz?
English: Are you (plural/formal) tired?