Просклонять по лицам на языке-слова певец, студент, футболист

I am a singer. He is a singer. She is a singer. We are singers. They are singers.
I am a student. He is a student. She is a student.  We are students. They are students.
I am a footballer. He is a footballer. She is a footballer. We are footballers. They are footballers.