Must the verse 2468 rhyme?

Yes, metrical poems usually require two, four, six and eight sentences to rhyme. Rhyme usually has five or seven words per sentence. Generally, it is required that two, four, six and eight sentences must rhyme, while one, three, five and seven sentences are not required to rhyme, but it is best to have a certain sense of rhythm when reading. Rhyme generally requires the same rhyme department, not the cross rhyme department. Specifically, the rhyme of metrical poems is generally to use words with the same or similar vowels at the end of sentences 2, 4, 6 and 8 to form a harmonious tone.