What he said does not matter.这个句子为什么是主谓的结构?

what does he said?是一个正确的句子吗? NO he said nothing. I want to know A.what does he sayBwhat he say Cthat he say Dwhat he said写出分析 6------.what ___ the notice __?--------it___,No parking.6------.what ___ the notice __?--------it___,No parking.A.has said ,has said B did say ,said C.has been said,has been said D.does say ,says what he said does not matter.这句话中位于是哪部分,谓语动词是? What he said does not matter.这个句子为什么是主谓的结构? What he said ___ harm to us.A.does B.do C.to do D.doing What does he enjoy? What does he have? What clothes does he What does he what does he What does he want? what should he does? Could you tell me ___ at the party A what does he say B what he says Cwhat he said D what did he sa what he said makes us said. She made no doubt of what he had said为什么用made what he said,i,at the meeting,have no idea(连词成句）