much、many意为“很多”是原级，且much+不可数名词、many+可数名词。more意为“更多”是比较级+多音节形容词、副词或+名词、most因为“最多”是最高级+多音节形容词、副词或+名词。
more和much的区别：
1、前者可以修饰比较级（以及最高级），后者不能。
2、后者可修饰原级形容词、或副词（单音节除外），前者不能。即多音节形容词、副词比较级
3、前者可以修饰不作形容词的分词，后者不能。
4、前者可以修饰后者，反之则不能。
much是修饰不可数名词的,也可以修饰比较级,饰比较级时有“更”的意思,如much better更好;much bigger更大,more是不能修饰比较级的；
much是修饰不可数名词的,也可以修饰比较级,饰比较级时有“更”的意思，
more是many和much的比较级,是更多的意思,既可修饰可数名词又可修饰不可数名词,当句子中有两者关于数量的比较时,可以选择more。
more是不能修饰比较级的；more是,是更多的意思。可修饰可数名词又可修饰不可数名词。
more例句与用法
1.His illness was more serious than the doctor first thought.
他的病较医生原来以为的更严重.
2.There are more cars on the road in the summer than in the winter.
夏天路上的车子比冬天多.
3.She spends more and more time alone in her room.
她独自呆在房间里的时间越来越多了.
4.I am becoming more and more irritated by his selfish behaviour.
我对他那种自私的行为愈加恼火起来.
5.He couldn't lift the table and no more could I.
他抬不动那张桌子,我也抬不动
6.He speaks more and more openly about his problem.
他越来越公开地谈他的问题,
7.It took more or less a whole day to paint the ceiling.
粉刷天花板用了将近一整天的时间.
much:[ mʌtʃ ]a.许多的ad.很,非常pron.&n.许多
[形容词比较级more；最高级most]
[副词比较级more；最高级most]
例句与用法
1.I think we may learn much from it.
我想我们能从中学到许多。
2.I don't suppose you have much time.
我想你不会有很多时间。
3.Mary and I are looking forward very much to the party.
玛丽和我热切盼望晚会的举行。
4.The patient is much the same this morning.
今晨病人情况几无变化。
5.I won't have a pudding it was as much as I could do to finish the very large first course.
我不要布丁了，我能把第一道大菜吃完就已经很不容易了。
6.Much as I would like to stay,I really must go home.
我倒是很愿意呆在这儿,可确实得回家了。