宾语 He pretends to have finished the homework表语 He seems to have been told about the news.宾补 What caused the accident to have happened?好像还可以做定语, 但我举不出例子了...谢谢可以做主语和状语吗？没见过做主语和状语的，也许我见识浅薄， 仅供你参考用！