This document analyzes the trailer for the film "How to be Single" to identify key conventions of romantic comedy film trailers. It finds that such trailers are targeted towards younger female audiences, feature heterosexual couples falling in love, and include comedic elements. Technically, the analyzed trailer uses a production logo, runs around 2.5 minutes, includes a content rating guideline. It employs various camera shots, a soundtrack to engage viewers, frequent title cards, fast-paced editing, and both high-key and low-key lighting in different scenes. Analyzing this trailer provided insights into how to effectively craft a film trailer that follows conventions and leaves a lasting impression without revealing too much of the film's plot.