He knew the files could be of help to whoever took over the job.请问英语高手们,这句话的主谓宾宾补都是什么,还有whoever这里有没有引导从句,引导的是什么从句

He knew the files could be of help to whoever took over the job.请问英语高手们,这句话的主谓宾宾补都是什么,还有whoever这里有没有引导从句,引导的是什么从句
He knew the files could be of help to whoever took over the job.
请问英语高手们,这句话的主谓宾宾补都是什么,还有whoever这里有没有引导从句,引导的是什么从句

He knew the files could be of help to whoever took over the job.请问英语高手们,这句话的主谓宾宾补都是什么,还有whoever这里有没有引导从句,引导的是什么从句
这是一个复合句,He knew是主谓,后面the files could be of help to whoever took over the job.是宾语从句（省略了that）.
这个宾语从句里面又套有一个宾语从句whoever took over the job