When is it acceptable to break the rules of grammar?

Answer 1

It is acceptable to break grammar rules when illustrating dialects.For example, in the novel Shiloh, by Phyllis R. Naylor, the narrator is an eleven year old boy who lives in rural West Virginia. The speech patterns of this boy reflect the speaking patterns common to the region in which he lives and these are not necesarily "proper English."

An example of Naylor's text:

"Even after Judd Travers turns his dog over to me, then starts drinkin' and talkin' ugly, there's hope he never meant it."

Another example is found in the poetry of e.e. cummings. He used only lower case letters. He made this part of his artistic style. Authors can use "artistic license" when it compliments his or her creative process.

When doing so achieves a specific desired purpose

Answer 2

It can be acceptable to break the rules of grammar in creative writing to convey a specific style or voice. However, in formal writing such as academic papers or professional documents, it is best to adhere to grammar rules to ensure clarity and accuracy. Ultimately, the decision to break grammar rules should be purposeful and done with an understanding of the impact on the message being communicated.