Ben öğrenciyim.
English: I am a student.
In Turkish, 'zamirler' are pronouns. Pronouns are words used to replace nouns, so you don't have to repeat the same name or thing again and again.
Use pronouns in Turkish to talk about people or things without repeating their names. They are often used at the beginning of sentences as the subject.
Ben öğrenciyim.
English: I am a student.
Sen öğretmensin.
English: You are a teacher.
O evde.
English: He/She/It is at home.
Biz parktayız.
English: We are in the park.
Onlar mutlu.
English: They are happy.