This document discusses the past life of Madame Butterfly when she was a caterpillar. It describes how she used to eat green leaves and get in trouble with the gardener for eating the plants in the garden. She would hide from the gardener under leaves. The document contrasts her past habits as a caterpillar with her present life as a beautiful butterfly, noting how she now drinks flower nectar and people love her instead of the gardener chasing her. It also provides instruction on using the phrases "used to" and "get used to" to talk about past versus present habits and behaviors.