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Points to check:  In any analysis, the first sentence or the topic sentence mentions the title, author and main point of the article, and is written in grammatically correct English.  An analysis is written in your own words and takes the text apart bit by bit. It usually includes very few quotes but many references to the original text.
To flesh out the analytic statement, you must explain what you think the writer's purpose is and must give specific examples of writing techniques employed in the original text. In other words, your task is to show your readers the pattern of purpose and technique that you have discovered in a given selection.