Khan Academy Grammarian David Rheinstrom welcomes you to his favorite topic: the …
Khan Academy Grammarian David Rheinstrom welcomes you to his favorite topic: the study of language, its rules, and its conventions. By understanding English – by speaking it, by writing it, by reading this very sentence – you are a grammarian yourself!
Apostrophes are great at standing in for missing letters, allowing us to …
Apostrophes are great at standing in for missing letters, allowing us to shorten words. Paige and David discuss contractions and the Principle of Least Effort.
Words like "walk" and "look" are regular verbs – they behave in …
Words like "walk" and "look" are regular verbs – they behave in a predictable way. But there's a whole class of words in English, called irregular verbs, that are harder to predict. David, KA's Grammar Fellow, explains.
A noun is a word that describes a person, place, thing, or …
A noun is a word that describes a person, place, thing, or idea. Examples of nouns include names, locations, objects in the physical world, or objects and concepts that do not exist in the physical world; for example, a dream or a theory.
Paige introduces a piece of punctuation called the semicolon; this punctuation can …
Paige introduces a piece of punctuation called the semicolon; this punctuation can link closely related independent clauses together in a sentence. Created by David Rheinstrom.
If verb tense allows you to control the past, the present, and …
If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Created by David Rheinstrom.
An understanding of verb tense will make you into a TIME WIZARD, …
An understanding of verb tense will make you into a TIME WIZARD, with the ability to control the past, the present, and the future – with your words, anyway.
Some nouns look the same whether they're singular or plural – these …
Some nouns look the same whether they're singular or plural – these nouns are called "base plurals", and we'll demonstrate how they behave the only way I know how... by using sheep!
You don't need to know how to speak Latin and Greek in …
You don't need to know how to speak Latin and Greek in order to understand English, but some words in English come from those languages. It's helpful to know how some Greek and Latin words change from singular to plural.
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