The english Sonnet is formed of three quatrains (typically rhyming abab efef) and a couplet (two rhyming lines). Usually the subject is introduced in the first quatrain.
The Haiku is often defined as a poem in three lines. The first and third lines having 5 syllables, and the second seven syllables. The japanese Haiku is tonal not syllabic.
George Ralph said “A poem which can be said in one breath, often related to nature and juxtaposing two images to evoke an immediate sensory experience.
A Sestina consists of six six-lines stanzas and a three-line concluding stanza. The six end-words of the first stanza must be used as the end-words of the other five stanzas, in a specified pattern.
The first line ends with the end-word from the last line of the previous stanza. And so on with the following stanzas.
A Villanelle is a nineteen-lone poem divided into five tercets and a final four line stanza, rhyming aba aba aba aba aba abaa. Line 1 is repeated to form lines 6, 12, and 18; line 3 is repeated to form lines 9, 15, and 19. There should some variations sometimes.
It is a Nonstanzaic verse . It is unrhymed iambic pentameter. Shakespeare and John milton used this method as it is very suitable to compose dialogues and narratives poems.
The Couplets are two lines rhyming. They can be grouped into stanzas. They provide a simple pattern. In the 17 & 18 century they were called, Heroic couplets
A Concrete poem has a evident external shape. They are also called shaped poems. Concrete poetry is a blend verbal and visual arts.
Poetry 