If the third sentence of a poem is "occasionally flat", is it necessary to save it and how to save it?

Measurement serves the law. Most of the poems written by the ancients followed it, but some of them often did not completely conform to the law and changed their forms.

There is a general rule in legal poetry, that is, the five laws are divided into three parts, and the dichotomy is clear; The seven laws are 135, regardless, 246 is clear.

Many times can be applied, such as the third word, even and graceful, without saving.

But this 135 must meet some preconditions:

Can't be lonely (for example, if you use three words in this sentence, you can't use five words, otherwise four or one flat voice will be lonely);

You can't have three flat feet and three broken feet. For example, you can't use the five characters in the above example, otherwise you can't use three broken feet (three flat feet and three broken feet are the styles of ancient poetry, which are generally not found in laws and regulations).

The ancients also liked to write poems that were difficult to save (if you use a flat place, you have to remedy it in another place)

1. If you are lonely, you must save it. For example, if you are flat, you must use the word "flat". You can change the word "flat" to "flat".

2. The combination of three or four words: flat and flat, four words flat, three words flat and flat.

3. Save the sentence: use the flat where the sentence is used, and use the flat where the sentence is used. At this time, there will be the same sentence.