1. (The author) uses X to show Y.

example:

(Shakespeare) uses X [the characters] to show Y [varying degrees of deception].

2. Through the use of X, (the author) shows (how) Y.

example:

Through the use of X [the grotesque], (Faulkner) shows how Y [Miss Emily’s secrets represent ugly truths about the American South].

3. The development of X reveals Y.

example:

The development of X [the hive mentality among the villagers in “The Lottery”] reveals Y [the mockery of rural community living].