drives是名词性物主代词还是形容词物主代词

drives既不是名词性物主代词也不是形容词物主代词。drives只是实义动词drive的第三人称单数。

名词性物主代词有mine, yours, his, hers, its, ours, yours, theirs.

形容词物主代词有my, your, his, her, its, our, your, their.