The document describes the Chinese grammar structure "V著V著就...了", which is used to indicate that an action was repeated for a period of time and resulted in a new situation. The structure consists of a repeated verb followed by 著, then 就 and a comment on the new situation followed by 了. Examples are provided such as "我看著看著就哭了" meaning "I cried as I looked" and "我聽著聽著就睡著了" meaning "I fell asleep as I listened".