no和not的区分,这几点最容易作为考点
一、no后面可以接名词,相当于not a/ not any。也就是no后面可以接单数名词,复数名词,或者是不可数名词。例如:
There is no bridge over the river.= There is not a bridge over the river.
河上没有桥。
I have no money. = I have not any money.
我没有钱。
We have no lessons this afternoon. = We have not any lessons this afternoon.
我们今天下午没有课。
二、用于比较级的含义不同。not +比较级的意思是“不如.”, no+比较级的意思是“一样不...”。例如:
John is not taller than Tom. 约翰不如汤姆高。
John is no taller than Tom. 约翰和汤姆一样不高(=矮)。
no richer than = as poor as
no taller than = as short as
no later than= as early as
三、not只表示一般的否定,no则语气较强。例如:
He's not a thief. 他不是小偷。
He's no thief. 他决不是小偷。
四、动词不定式的否定常用not,动名词的否定用no。例如:
The teacher told him not to be late again.
老师叫他再不要迟到。
I feel sorry for not telling her the truth.
我后悔没有跟她说实话。
五、“禁止”“不许”一般只用no,不用not。
No smoking. 禁止吸烟。
No photos. 不许照相。
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