Написать небольшое сочинение о том, кем ты хочешь стать (профессия) и что должен делать этот человек. Используя модальный

I want to become a manager. This word can be translated as a superior. I have to study well and get good grades to become a manager. I must go to a prestigious university to become a good manager. I should pass the exam well, so that I am accepted into the university, possibly for free education. I have to learn math, economics and etiquette rules to be an excellent manager. I must make a good preparation for my school exams, so that I can be taken to the university for the training of a manager\'s profession. I should listen to the advice of teachers, because they have experience. I have to set a goal and achieve my goal.