none of基本含义是：三个或以上都不
none of后面的名词为复数名词或代词，谓语动词要用复数；如果是不可数名词，要用单数。none用于指人或指物，可与of短语连用。none of短语中的none不能用no、no one、nothing、nobody来代替，只能用none。
None of that money on the table is mine.桌子上的钱都不是我的。
None of the work was done.
那些工作全都未干。
He told me all the news but none of it was very exciting.
他告诉了我所有的新闻，但没有一件激动人心的。
None of my advice seems to have penetrated his thick skull.
他那木脑袋似乎一点也听不进我的忠告。
none of与复数名词、代词或单数集合名词连用时，动词用单数或复数均可。英国英语的正式文体用单数形式：
None of the trains is/are going to London.
这些列车都不去伦敦。
None of her family has/have been to college.
她的一家谁都没上过大学。
None of these pens works/ work.
这些钢笔没有一支能用。
It was noticeable that none of the family were present.
很明显这一家没有人在场。
None of us is entirely blameless in this matter.
在这件事上我们没有一个人是完全没有责任的。
It's not a coincidence that none of the directors are women.
没有一位董事是女性，这并非偶然。
None of us can foretell what lies ahead.
我们谁都不能预知未来。
None of us are/is afraid of difficulties.我们当中没有一个害怕困难.
none和no one都是否定的,都只用在肯定句中,如：
None of them know me.他们都不认识我.
None of them don't know me.为错误,要说成：Each of them knows me。
We have three sons but none of them lives/ live nearby.
我们有三个儿子，但他们都不住在附近。
None of the tribes speak the same tongue.
这些部落所说的语言都不相同。
None of this would have been possible without their help.
如果没有他们的协助，这事没有一样能办成。
My private life is none of your business.
我的私生活与你无关。
He repeated none of the errors he'd made first time round.
他没有重复过首次所犯下的任何错误。
None of these glasses match.
这些杯子没有能配对儿的。
None of the passengers were badly hurt.
乘客中没有人严重受伤。
She has lost none of her naivety.
她丝毫没有失去那份天真烂漫。
None of these people will admit responsibility for their actions.
这些人都不会愿意为自己的行为负责。