Помогите пожалуйста написать сочинение на английском кем я хочу стать или я хочу стать учителем

I want to be a teacher. I want to see happy the smiles of my students. I want to help them of homework. Despite what the teacher is very hard and ungrateful job. I know what the teacher can give a bad marks, so students can hate the teacher. But the country need of good teachers for the next age.