Could the art teacher check my sketch before I start painting?

How to say “Could the art teacher check my sketch before I start painting?” in Japanese

In Japanese

色(いろ)を塗(ぬ)る前(まえ)に、美術(びじゅつ)の先生(せんせい)に下描(したが)きを見(み)てもらえるかな。

Iro o nuru mae ni, bijutsu no sensei ni shitagaki o mite moraeru kana.

Could the art teacher check my sketch before I start painting? in other languages