His moods came and went like summer storms.
She wasn't in the best of moods either.
His over-emotional nature passed rapidly from one phase of feeling to another; but the more melancholy moods predominated.
His moods flipped back and forth so fast it was hard to know how he would respond to anything.
Protagoras was the first to systematize grammar, distinguishing the parts of speech, the tenses and the moods.