a lot, adv. 副词性短语,修饰动词、形容词或副词的
比较级:
I've learned a lot from the Internet.= much 修饰 have learned
Beijing has changed a lot since 1979. = greatly 修饰 has changed
a lot of + n. adj. 形容词性短语:There are a lot of people. = many
There's a lot of information. = much
a little, adv The shoes are a little (bit) big for me. 修饰 big,状语
I'm a little better today. 修饰better, 状语
adj. a little house = a small.... 修饰名词,定语
a little milk = a small amount of...修饰不可数,定语
pron. ---Do you want some fish?
--- A little (fish), please. 代词(不可数),一点儿(鱼肉)