The man seemed to be ill?为什么要用be?

The man seemed to be ill?为什么要用be? The old man seemed to be sad.=It seemed ( ) the old ( ) sad. The man seemed to be ill?这么句话能这么说吗?The man seemed ill?不用to be 可以吗 After( )seemed to be a long time,the old man went out form the sitting room.括号里填啥、为何? seemed to be The doctor left after the operation was over.改为同义句 The old man seemed to be angry.改为同义句 I spoke to a tall man who seemed to be the boss.这个句子中 seemed to be 在一个不带形容词的名词前面,这个词是who吗?若改为I spoke to a tall man who looked to be the boss. The water seemed to be blame这样说对不对 Nothing seemed the way it used to be ... The movie show seemed to be successful.的同义句 That man is not __________ to be a doctor.A.thought aboutB.suitC.suitedD.seemed He seemed to be half man and half bird的同义句 I noticed an old man standing at the door just now.He seemed _____ for someone.A.waiting B.to have waited C.to be waiting D.to wait after（ what ）seemed to be a long time ,the old man went out of the professor's sitting roomA it B that C which D what 所选答案是非限,但如何分析句子成份啊? the man who (sat )in the wheel -chair seemed ( to enjory watching ) the match very much 为什么 The Man I Want To Be 歌词 The man s_____ to be a policeman. The man _ to be ill yesterday