none,no body和no的区别

1.nobody“没有人”作主语时，谓语动词用单数。
There wsa onbody in the room.
另外：它还有“小人物，无足轻重的人”的意思
Don't makefriends with a nobody like him.
2.no one 用于指人，不与of 连用.用作单数
No one told us about that.
3.none 既可以指人也可以指物，可以与of 连用。用作单数或复数。
-How many elephants did you see? -None
None of them have (has)arrived.