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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 Wolf?

The plural of the Canis lupus, more commonly referred to as a wolf, is wolves. Wolves is the only plural form of wolf.

What’s the Plural of Foot?

Foot plural is feet. Look tooth plural is teeth, foot is an irregular English plural noun that does not end in s/es.

Is Alumni Plural or Singular?

The Latin noun, alumni (meaning a graduate of a former school or university) is the plural of alumnus. Alumnus is singular.