被动语态：主语+had（not）been+done+others
At the end of last year,another magic design had been completed.
在去年低，另一个神奇的设计已经完成。
There was still doubtful that why the film had not been chased by public.
对于这部电影为什么没有被大众所追捧依然存在些疑惑。
温馨提示：
