adverboftime,povertyoftime

adverb of time (frequency) shows when something is done or
into adverbs of manner, adverbs of degree, adverbs of time
adverb of time 时间频率副词: now, yesterday,soon, later
6)副词(adverb,缩写为.adv.
noun 2. pronoun 3. numeral 4. adjective 5. verb 6. adverb 7.