Переведите в косвенную речь: Do you go to shool with your mother? No i dont . I'm in the second Form. I go to shool myself.

Do you go to school with your mother? — He asks if I went to school with my mother.

No, I don’t. I'm in the second form. I go to school myself. — I refused and said that I was in the second form.

 It was in the first form that I went to school with my mother. — I said that it had been in the first form that I had gone to school with my mother.

My brother is in the fifth form and the teacher told him not to come to school without his mother. — I told that my brother was in the fifth form and the teacher had told him not to come without his mother.