Rhyme is mainly called "Pingshui Rhyme", also called "Poetic Rhyme", which is somewhat different from the rhyme of Mandarin. What are the common words in rhymes? This needs to be memorized. Generally speaking, the same poem can only rhyme with words belonging to the same rhyme department.
First of all, we must distinguish which words are flat and which ones are flat. You should be able to recognize ancient modal particles. The words of the first and second tones in Putonghua are basically flat tones after the ancient tone is removed, and the other words are voiced. The composition of the poem is basically flat and even, one or two flat and even sentences are opposite, and two or three flat and even sentences are stuck together. We should also avoid isolation and leveling. In addition, there are some special sentence patterns that are difficult to save.
The metrical requirements of ancient poetry are wider than those of modern poetry, which can be based on dialects and rhymes, but there is no requirement for dual words.
That is basically the content of rice. You have to consult reference books for specific development. Just search in Baidu library.