How does the narrator point of view change over the course of the first four chapters in the novel, Counting by 7s?

Changes is narration are a regular occurence in the opening chapters of the novel. Chapter One is written in the first person point of view, although it is indicated in the beginning of Chapter Two the time frame is two months prior to her parents’ death. The first six pages of the novel, however, are written in the present tense. After Willow describes her garden, and turns her focus back to her first days in school, the tense turns to the future. The remainder of Chapter Two as well as Chapters Three and Four are written in past tense.