There is a simple structure that is infallible. It starts with having a general structure, Introduction, Main body (with 3 main arguments), and Conclusion.The intro and conclusion have to be pre prepared, and tweaked according to the question asked. The main body of the essay, has to have 3 main arguments with a clear structure: PEEOE. Point - one sentence. Example - wether it is a movie or a book, illustrate your point with an example from it. Explanation - explain your point further, time to link the point to the question. Opinion - start with an opinion phrase (Je crois que). Evaluation - this is what will get you top marks, link your point to the real world.