if this be error and upon me proved, i never writ, nor no man ever loved. these lines are an example of a/an

3 answers

In poetry, it is called a couplet, even though "proved" and "loved" don't quite rhyme, except in some areas of England around Liverpool.
To post "help" is not helpful. The subject area needs to be in that line.

If these are lines from poetry, then you need to repost, letting us know where the first line ends, the next begins, etc.

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Drwls... is exactly right. It is a couplet from a sonnet. And it is called an "eye rhyme".