1, rhyme. The rhyme position of the four poems is mainly in the last word of the even sentence, that is, the last word of the second sentence and the fourth sentence must rhyme.
2. Rhyme types. The rhyme of the four poems can be divided into two forms: the first, the last, the third and each sentence. Among them, the rhyme of the first three is not the rhyme of the first two sentences of the poem, but the rhyme of the last two sentences.
3. rhyme. Generally speaking, four poems have only one level rhyme, which is the default principle. In a particular form of poetry, such as metrical poetry, the first sentence can rhyme or not, and whether it rhymes or not is generally related to antithesis.
4. The number of rhyming words. In the four poems, except the first sentence, the rhyme of each sentence is even.
5, the rules of rhyme. Four poems cannot rhyme with the same word, nor can they rhyme with a large number of homonyms in succession.
6. Avoid rhyming. Of the four poems, the third, fifth and seventh sentences are not allowed to rhyme. If these three sentences rhyme, it is called rhyme, which is not allowed in four poems.