more than 20 years more 这里是是副词还是ADJ

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more than 20 years more 这里是是副词还是ADJ
1 more than 20 years more 这里是是副词还是ADJ
2
I have three more books than you (do).
I have three books more than you do.
第二种写法,也见到国外朋友们用过.more than 这里,还是 more than 词组那个意思么?多于.
还是说,只是 more ,加上介词 than 刚好用在了一起,不少原来组合的那个意思.

1.more than 20 years.more 这里是是副词还是adj.
1) more 有三种词性,在脱离句子的情况下,不易判定其词性所属,如：
* 形容词：
Today you can see something more than before.如今你可以比过去看到更多的东西.（more 后置修饰 something）
* 副词：
Chinese people are much more hardworking than 20 yeas ago中国人民比20年前更加勤劳.(much more 后置修饰形容词 hardworking)
* 名词：
She has more than ever 她拥有的比以往任何时候都多..(more 是 has 的宾语)
2) 如果把 more than 孤立起来考虑,可以表示不同的意思,由于充当的语法成分不同.所表现出来的词性也不同,如：
* 表示“大于/多于”
--I have lived here more than 20 years.我已经在这里生活了20多年.(more 充当动词 lived 的状语.因此是副词)
* 表示“不仅仅/不只是”
--He is more than a scholar.他不只是个学者.(more 作表语,指代与 scholar 同类的名词,因此是不定代词)
2.下面两句话的语法结构不同——
1）I have three more books than you (do).
three more books 是 have 的宾语,than you do 是have的比较状语,意思是“我比你多三本书”.
同理——
She has four fewer books than I do 的结构也相同..——我比你少三本书
2）I have three books more than you do.,
three books是 have 的宾语,more than you do 是形容词短语作后置定语,意思是“我有比你多出来的三本书”.
同理——
She has four books fewer than I do 也是如此.——他有比我少出来的四本书.

more than 20 years more 这里是是副词还是ADJ more 这里是副词吗? more and more 里面的more是副词,还是? 是not more than three还是no more than three He was more than helpful.这里more than是修饰前面的was还是后面的helpful? 是说more five students还是more students than five more+形容词／副词原形+than 是多于的意思吗? more than 是连词还是介词? more than +副词 no more adj than与not more adj than区别 more+adj+than+adj的用法 the number of是用less than还是more than?