These sections should consist of your most important arguments.
Use your notes and research to fill these sections with details.
Consider the following questions: How is the material organized? What are the writer's assumptions about the audience?
What kind of language and imagery does the author use?
For instance, if you write a critical analysis of a book, you may analyze the tone of its text and find out how it influences the overall meaning of the book.
If you analyze a movie, you might concentrate on a symbol that you see over and over again.
If you have written a strong and clear introduction, the conclusion will not be a problem at all. But do not just repeat what you said before, put it differently. Your reader have to have a feeling that the point have been proven.
Basically, you said that you are about to prove us something and now you have to show us that you did.
Whether you specialize in literature or just writing an essay for a class, knowing how to write a critical essay will give you an advantage throughout your studies at a university and in your professional career.
Writing critical essays allows you to develop critical thinking skills, including attentive reading, technical analysis, academic writing skills, searching for reference books and editing.