1. Free verse: Free verse is the most common form in modern poetry. It has no fixed meter and rhyme, and can be freely created according to the needs of the poet's emotion and expression.
2. Metric poetry: Metric poetry has certain requirements for meter and rhyme, with the same number of words in each line and the same rhyme.
3. Prose poetry: Prose poetry is a kind of style between poetry and prose, which has both lyricism and rhythm of poetry and narrative and freedom of prose.