The ninth form is different from the other school years, isn't it? Is the ninth form different from the other school years? Is the ninth or tenth form different from the other school years? What form is different from the other school years? What is different from the other school years?
Is the ninth form different from the other school years?
Is the ninth or tenth form different from the other school years?
What form is different from the other school years?
What is different from the other school years?