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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 is the Verb To Be?

To be means being as in existing. I am, you are, he is, they are, are are all forms of being in the present (to

What’s the Past Tense of Do?

To do and does are both present tense. Did is past tense for all subjects, and done is the past participle (also for all subjects).