Learn phrases, clauses and sentences that will be useful in an essay. There is usually a journalistic style essay in the creative section you will probably use third person singular and plural a lot in this type of writing so make sure you have revised your verbs thoroughly!
However, be careful not to use any words you are not too familiar with as this may have the opposite effect. Every sentence in the essay needs to be relevant and coherent in order to reflect a cohesive and well-represented argument.
Each paragraph should lead on to the next and form clear logical steps.
Your essay must be therefore summed up in the introduction.
You should be able to read the introduction and immediately know your line of argument; the introduction needs to be a roadmap of the essay.