to have been adapted sth is said to do. 固定句式，to do 根据语境有多种形式变化， to have been done 已经被。。。该句意思：这部小说据说已被拍成电视了。再如： He is said to go abroad tomorrow.(将要)
The children are said to be playing outside.（正在）
The novel is said to be pulished next week.（将被）祝你学习进步！...
