Verb + 成 + Noun
The word 成 (chéng) can function as a resultative complement meaning "to become" or "to turn into." It is attached after a verb to indicate that an action has resulted in a transformation or change of state. For example, 一些人成了教友 means "some people became church members."
这本小说后来被改编成了电影。
Zhè běn xiǎoshuō hòulái bèi gǎibiān chéng le diànyǐng.
This novel was later adapted into a movie.
雨水把泥土变成了一片泥泞。
Yǔshuǐ bǎ nítǔ biàn chéng le yī piàn nínìng.
The rain turned the soil into a muddy mess.
他通过努力终于成了一名医生。
Tā tōngguò nǔlì zhōngyú chéng le yī míng yīshēng.
Through hard work, he finally became a doctor.