英语中一些结构与复合句关系

应该是吧.
独立主格应该属于非谓语动词,而非谓语动词说白了 就是去掉连接词之后的 另一种复合句.只是改个面貌吧,本质没变.Damaged in a accident, the car has now been repaired.若改为并列复合句的话：
because it was damaged in a accident, the car has now been repaired
我觉得应该是滴