Genki I - An Integrated Course in Elementary Japanese (3rd Ed.): Using ではありません instead of じゃない say, "Mr Yamada is not a student."

Question

Using ではありません instead of じゃない say, "Mr Yamada is not a student."

Alistair Lawrie · Accepted Answer

やまださんはがくせいではありません。 (formal; appropriate for writing).

How do you say Using ではありません instead of じゃない say, "Mr Yamada is not a student." in Japanese?