Nothing
1、指物；
2、谓语用单数；
3、一般用来回答含anything的一般问句及what引起的特殊问句.请看：
① --What is in the box?
--Nothing.
② --Is there anything in the sky?
--Nothing.
③ --Can you see anything without glasses?
--Nothing.
none
1、可与of连用；
2、谓语动词用单或复数；
3、具体指什么人或物；
4、一般用来回答how many n, howmuch n及含any n引起的疑问句.请看：
① None of us have/has seen him.
② --How many students are there in the room?
--None.
③ --Is there any water in the thermos?
--None.
④ --How much money do you have on you?
--None.
no one
1、不与of连用；
2、谓语动词用单数；
3、只能指人,但不具体指什么人；
4、一般用来回答who,及含anyone,anybody引起的疑问句.如：
① No one like a person with bad manners.
② --Who is in the room?
--No one.
③ --Is there anyone in the room?
--No one.
