Nothing1、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.2none1、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.3no one1、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.