be based on 根据……而来

A: Blatty's Oscar-award-winning screenplay was, in fact, based on a real-life case of demonic possession.
A:布莱特得到奥斯卡金像奖的最佳剧本,事实上是根据被魔鬼附身的真实事件.

in fact 为插入语，作副词用，表示「事实上」，也可把它移置句首。 be based on 表示「根据……而来」。Oscar-award-winning 为复合形容词，用来修饰 screenplay。 例句：

B: The writer's controversial Broadway hit was, in fact, based on a true story.
B: 这位剧作家颇受争议的百老汇畅销剧，事实上是根据真实故事而来。