他对戏剧构作很感兴趣，经常研究不同剧本的结构。

He is interested in ___dramaturgy and often studies the structure of different plays.

她负责剧本的历史背景研究，这是她戏剧构作工作的主要部分。

She is responsible for researching the historical context of the script, which is a key part of her ___dramaturgy work.