Do we need a comma in They lived like cats and dogs? - briefly
In the phrase "They lived like cats and dogs," a comma is not required. The correct form adheres to standard English syntax for listing items in a simple, parallel structure.
The phrase "like cats and dogs" is an idiomatic expression meaning to argue or fight frequently. Idioms often follow fixed structures, and this one does not necessitate a comma. Proper punctuation in such cases ensures clarity and adherence to grammatical rules.
Do we need a comma in They lived like cats and dogs? - in detail
The phrase "They lived like cats and dogs" is a well-known idiom in English, meaning that two people argued or fought frequently. When examining whether a comma is necessary in this expression, it is essential to understand the grammatical structure and the conventions governing the use of commas in such idiomatic phrases.
Idioms often follow fixed structures that do not always adhere to standard grammatical rules. In the case of "They lived like cats and dogs," the phrase "like cats and dogs" functions as a compound prepositional phrase. Within this phrase, "cats and dogs" is a compound object of the preposition "like." The absence of a comma between "cats" and "dogs" is consistent with the standard usage of compound objects, where no comma is required to separate the items in the list.
Moreover, the presence of a comma would alter the phrasing and potentially confuse the reader. Commas are typically used to separate independent clauses, items in a list, or to provide additional information. In this idiom, the absence of a comma maintains the idiomatic integrity and clarity of the expression. For instance, adding a comma would change the phrase to "They lived like cats, and dogs," which would not convey the intended meaning and would be grammatically incorrect.
Furthermore, adherence to established idiomatic expressions is crucial for maintaining clarity and precision in communication. Idioms are fixed expressions that have evolved over time and are recognized by native speakers. Altering the structure of an idiom, such as by adding a comma, can lead to misinterpretation or loss of meaning.
In summary, the phrase "They lived like cats and dogs" does not require a comma between "cats" and "dogs." The idiom follows a fixed structure that is widely recognized and understood in English. Deviating from this structure by adding a comma would disrupt the idiomatic integrity and potentially confuse the reader. Therefore, it is advisable to retain the original phrasing without a comma to ensure clarity and accuracy in communication.