verb, adverb, noun, punctuation, pronoun, adjective · to not possess something or for something to not exist

我没有那本书。

adverb, verb, measure word · auxiliary verb used to negate a past or completed action

我还没有吃早饭。

verb, adverb · to not be to the same degree as; used in comparisons

这里的夏天虽然也很热，但是并没有我的家乡热。