1. not…and; not…or; not…nor, neither…nor
It’s not tall and wide. (部分否定）
It’s not tall or wide. (全部否定）
Not a flower nor a grass will grow in this area. （全部否定）
2. no; not
● no - adv. -adj. = not a , not any
Sorry, there’s no time to talk.
● not -adv.
Ask him, not his wife.
I can see you tomorrow, but not on Tuesday or Friday.
He failed not because he isn’t clever but because
he didn’t work hard.
3. no more (not …any more);
no longer (not any longer)
Time lost will return no more. (动作的重复次数）
He doesn’t work here any longer.（动作的延续）
4. no; none; no one :
no 是一个限定词，用在单数（可数或不可数）名词和复数名词前面，也就是说一个名词前面没有冠词、物主代词或者代词的时候，才可以用它； 而在the , my, your, this, these, that等词前面，应该使用none of, none, 可指人或物， 而no one指人
There were no letters for you this morning, I’m afraid.
None of my friends live near here.
I stayed in all evening waiting, but no one came.
☆ A little money is better than at all. (none)
I wanted two tickets, but there was left. (none)
There is telling when he will be back. (no)
--Who is in the room ?
-- . (No one)
5.否定转移： 下列词后接从句，如果否定，否定词前移，但hope 例外， think, believe, expect, suppose
I don’t think that he will come.
I hope that it won’t rain.
6.避免否定误用
He asked me a second question before
I answer the first one. A. could B. couldn’t
7.Nothing is 比较级 than to V. Nothing is more 形容词 than to V.
例句：没有比接受教育更重要的事了。
Nothing is more important than to receive education.
8. 。。。cannot emphasize the importance of 。。。 too much.
（再怎么强调... ...的重要性也不为过。）
例句：我们再怎么强调保护眼睛的重要性也不为过。
We cannot emphasize the importance of protecting our eyes too much
09年高考英语语法精要讲解三十一：否定句
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