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none的用法是什么啊?

none的用法是什么啊?

1. none 与 no one / nobody 及 nothing no one / nobody 常用来指人,作主语时谓语动词要用单数形式;nothing 常用来指物,作主语时谓语动词也要用单数形式;none 可指人也可指物,作主语时,如和 of 连用指不可数名词时,谓语动词要用单数形式;指可数名词时,谓语动词用单、复数均可。如: No one likes a person with bad manners. Nothing is difficult in the world if you put your heart into it. None of them has / have seen me before. None of this money belongs to me. 注意: 1 ) none 可与 of 连用表示范围,而 no one / nobody 及 nothing 不可。 2 ) none 可用来回答 How many / much…? 的特殊疑问句;而 no one / nobody 及 nothing 则分别用来回答 Who…? 和 What…? 的特殊疑问句。如: — How many birds are there in the tree? — None. — What is in the box? — Nothing. — Who is in the classroom? — No one / Nobody. 3 ) none 可用来回答“ any + 名词”构成的一般疑问句:而 nobody 和 nothing 则分别用来回答由 anybody 和 anything 构成的一般疑问句。如: — Is there any bread left? — No,none at all. — Is there anything in the sky? — No,nothing. 4 ) none 可用来指代前面提到过的人或物;如无指代时可用 no one / nobody 及 nothing .如: We had three cats once — none of them is alive now. 2. none 与 not all / all…not not all / all…not 表示三者或三者以上的部分否定;而 none 表示三者或三者以上的全部否定。如: Not all ads are good. 并非所有的广告都好。 3. none but,nobody but 及 nothing but nobody but 表示单一概念,谓语动词用单数形式;none but 可指人也可指物,通常指薯扒前面提裂手纳到的同一事物,谓语动词要用复数形式; nothing but 泛指 but 后事物以外的任何事物。如: Nobody but he is often late for school. 除他以外,没有人上学常迟到。 None but fools have even believed it. 除了傻瓜,没有人相信这一点。 There is a variety of fruit, but he chose nothing but an apple. 这儿有很多水果,但他只选了一个苹果。 4. 其他用法 1 ) none 可指物质名词或抽象概念,构成短语 have none of ,意为“不允许;不接受;拒绝参加”,常和 will / would 连用,表示意愿。如: I will have none of your stupid ideas! 2 ) none other than 意为“就是;恰恰是”肆没。如: The new arrival was none other than the President.