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Knowledge Base

Explore the breadths and depths of Grammarflex’s knowledge base, containing resources and comprehensive guides on pretty much everything you could want to know related to English grammar and writing.

Learn all about the main parts of speech, which (in case you forgot) comprises of verbs, nouns, adjectives, pronouns, adverbs, conjunctions, prepositions and interjections. Beyond the fundamentals of English grammar, you’ll find guide on writing mechanics and style, literary devices amd more. 

What’s the Plural of Man?

The only plural noun form of man is men (rhymes with pen). Use men (pl. n.) to refer to more than one man (sing. n).

Is Lice Plural or Singular?

When referring to the noun and parasitic, wingless insect, the plural form of the singular noun louse is lice.

What’s the Plural of Mouse?

Make no mouse-take, the plural of mouse is mice, when referring to the rodent. For a computer mouse, both computer mouses and computer mice works.

What’s an Oxford Comma?

What’s an Oxford comma, anyway? When and where is an Oxford comma used in sentences, and when is it best to omit the Oxford comma