Last but not least, t
This adds no value. Better omit or rewrite this expression. What I see is that many students think the memorization of the perfect phrase is much more acceptable. As a result, they use it every time when they write. And to tell you the truth it doesn't impress the readers at all to finish reading the essay.
Well, if you have a question that you don't like at all, then you can write with a 5-paragraph essay. You write one introduction, three bodies, and one conclusion. This can help you write more words, but some students, that I see, put grandiose ideas, by writing too many words.
With a 4-paragraph essay, you are easy to develop your paragraph properly. Also, this is good for coherence and cohesion between sentence to sentence and paragraph to paragraph, and for which in the five-paragraph structure this is weak.