Three: mostly imperative sentences.
V and VII: The form of China's classical poetry is fluent.
Eight: Special usage.
Six words are pairs of broken sentences, which destroy the coherence of poetry to a certain extent, so it is difficult to get full development.
But there are still six sentences in the Book of Songs, such as: I am jealous of each other, and I will never be hurt. ("Nan Zhou's Ear Flipping")