What are the events that repeat themselves in the novel?

We find out that Lennie has killed animals before the novel begins; this happens again and ultimately happens when he kills a woman in the novel. The life of the workers is a daily grind, a cycle that begins with rising in the morning and doing work, coming in for meals, and going to bed at night. It fits with the cycles of nature which somehow dictate when they do much of what happens in the novel.