: Passive construction. Passive voice is a common choice for outlines and overviews because the context makes it clear who is performing the action, for example you are conducting the research. However, excessive use of passive voice can make your text vague and imprecise. Example: Passive construction. LITERATURE REVIEW. 2. This chapter presents a review of the literature relevant to the study as presented by various. researchers, academics, analysts and authors. That sums it up.