- Related Topics:
- Part of speech
- prescriptive grammar
- word order
- parsing
- discourse analysis
- On the Web:
- Purdue University - College of Liberal Arts - Grammar Introduction (Oct. 25, 2026)
Grammar
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What is grammar in linguistics?
In linguistics, grammar comprises the rules governing a language's elements, including sounds, words, and sentences, along with their combination and interpretation. It encompasses syntax, which deals with the relationships between words in sentence structure, and morphology, which concerns the internal structure of words.
Grammar differs from phonology and vocabulary, though the term is sometimes used to cover all aspects of language structure. Contemporary approaches to grammar study how native speakers produce and understand a limitless number of sentences, examining the underlying structure of language. Some linguistic theories, such as stratificational grammar, view grammar as one of multiple structural layers that connect meaning to sound.
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Why is grammar important for understanding language?
Grammar is vital for understanding language because it provides the rules that govern sounds, words, and sentence structure, influencing interpretation. It enables users to produce and understand a limitless number of well-formed sentences.
Meaning in language consists of word meanings and the structural, or grammatical meaning, carried by the sentence itself. The study of grammar accounts for formal, written language, and although it does not apply to all spoken language varieties, it is essential to communication.
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What are the main parts of grammar?
Grammar encompasses the rules of a language that govern its elements, including sounds, words, and sentences, along with their combination and interpretation. It is often divided into syntax and morphology.
Key parts of grammar:
* Morphology The study of the internal structure of words, including how words are formed from smaller units called morphemes. It includes inflection, which marks categories such as person, tense, and case, and derivation, which forms new words from existing ones.
* Syntax Focuses on the arrangement of words in sentences and the relationships between their components. It examines how words combine to form phrases and clauses.
* Phonology The study of speech sounds, including their history and changes in a language.
* Semantics The study of meaning in language.
* Parts of speech (also called word classes) Words are assigned to lexical categories based on their function in a sentence. Traditional English grammar includes eight parts of speech: noun, pronoun, verb, adjective, adverb, conjunction, preposition, and interjection.7 Britannica SourcesCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles. -
How do rules of grammar help us create sentences?
Grammar provides the rules that govern a language, including its sounds, words, sentences, and other elements, as well as their combination and interpretation. These rules show how to arrange words in sentences, clauses, and phrases.
In English, word order is key to showing relationships between words. For example, "The girl loves the boy" differs in meaning if transposed. Syntax and morphology are traditional divisions of grammar. Syntax relates words in sentences, while morphology deals with a word's internal grammatical structure.
A generative grammar uses a rule system to produce grammatical sentences and assign structural descriptions to each sentence. These rules account for a native speaker’s competence and performance.
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What is the difference between prescriptive and descriptive grammar?
Prescriptive grammar dictates how language should be used, emphasizing rules and correctness, often based on formal, written language standards. It aims to standardize language use by establishing norms.
Descriptive grammar, on the other hand, objectively describes how language is actually used by speakers and writers, without imposing correctness. It involves observing and documenting language patterns in real-world contexts, including variations and changes over time. Descriptive grammar focuses on understanding the structure and function of language as it naturally occurs.
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How do linguists study grammar in different languages?
Linguists study grammar in different languages through various methods, depending on their theoretical framework. These methods include:
* Analyzing word construction Linguists study morphology, or the internal construction of words, breaking them down into their constituent morphemes to understand how words are formed and how they convey meaning.-
Examining sentence structure They investigate syntax, which involves analyzing the arrangement of words in sentences and the relationships between these words.
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Descriptive linguistics Some linguists collect samples of sentences from native speakers to classify material, starting with phonology and moving to syntax.
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Generative linguistics Others study the underlying structure of a language to describe the rules that define a native speaker's competence and account for all instances of the speaker's performance.
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Grammar, rules of a language governing the sounds, words, sentences, and other elements, as well as their combination and interpretation. The word grammar also denotes the study of these abstract features or a book presenting these rules. In a restricted sense, the term refers only to the study of sentence and word structure (syntax and morphology), excluding vocabulary and pronunciation.
A brief treatment of grammar follows. For full treatment, see linguistics.
Conceptions of grammar
A common contemporary definition of grammar is the underlying structure of a language that any native speaker of that language knows intuitively. The systematic description of the features of a language is also a grammar. These features are the phonology (sound), morphology (system of word formation), syntax (patterns of word arrangement), and semantics (meaning). Depending on the grammarian’s approach, a grammar can be prescriptive (i.e., provide rules for correct usage), descriptive (i.e., describe how a language is actually used), or generative (i.e., provide instructions for the production of an infinite number of sentences in a language). The traditional focus of inquiry has been on morphology and syntax, and for some contemporary linguists (and many traditional grammarians) this is the only proper domain of the subject.
Ancient and medieval grammars
In Europe the Greeks were the first to write grammars. To them, grammar was a tool that could be used in the study of Greek literature; hence their focus on the literary language. The Alexandrians of the 1st century bc further developed Greek grammar in order to preserve the purity of the language. Dionysus Thrax of Alexandria later wrote an influential treatise called The Art of Grammar, in which he analyzed literary texts in terms of letters, syllables, and eight parts of speech.
The Romans adopted the grammatical system of the Greeks and applied it to Latin. Except for Varro, of the 1st century bc, who believed that grammarians should discover structures, not dictate them, most Latin grammarians did not attempt to alter the Greek system and also sought to protect their language from decay. Whereas the model for the Greeks and Alexandrians was the language of Homer, the works of Cicero and Virgil set the Latin standard. The works of Donatus (4th century ad) and Priscian (6th century ad), the most important Latin grammarians, were widely used to teach Latin grammar during the European Middle Ages. In medieval Europe, education was conducted in Latin, and Latin grammar became the foundation of the liberal arts curriculum. Many grammars were composed for students during this time. Aelfric, the abbot of Eynsham (11th century), who wrote the first Latin grammar in Anglo-Saxon, proposed that this work serve as an introduction to English grammar as well. Thus began the tradition of analyzing English grammar according to a Latin model.
The modistae, grammarians of the mid-13th to mid-14th century who viewed language as a reflection of reality, looked to philosophy for explanations of grammatical rules. The modistae sought one “universal” grammar that would serve as a means of understanding the nature of being. In 17th-century France a group of grammarians from Port-Royal were also interested in the idea of universal grammar. They claimed that common elements of thought could be discerned in grammatical categories of all languages. Unlike their Greek and Latin counterparts, the Port-Royal grammarians did not study literary language but claimed instead that usage should be dictated by the actual speech of living languages. Noting their emphasis on linguistic universals, the contemporary linguist Noam Chomsky called the Port-Royal group the first transformational grammarians.
Modern and contemporary grammars
By 1700 grammars of 61 vernacular languages had been printed. These were written primarily for purposes of reforming, purifying, or standardizing language and were put to pedagogical use. Rules of grammar usually accounted for formal, written, literary language only and did not apply to all the varieties of actual, spoken language. This prescriptive approach long dominated the schools, where the study of grammar came to be associated with “parsing” and sentence diagramming. Opposition to teaching solely in terms of prescriptive and proscriptive (i.e., what must not be done) rules grew during the middle decades of the 20th century.
The simplification of grammar for classroom use contrasted sharply with the complex studies that scholars of linguistics were conducting about languages. During the 19th and early 20th centuries the historical point of view flourished. Scholars who realized that every living language was in a constant state of flux studied all types of written records of modern European languages to determine the courses of their evolution. They did not limit their inquiry to literary languages but included dialects and contemporary spoken languages as well. Historical grammarians did not follow earlier prescriptive approaches but were interested, instead, in discovering where the language under study came from.
As a result of the work of historical grammarians, scholars came to see that the study of language can be either diachronic (its development through time) or synchronic (its state at a particular time). The Swiss linguist Ferdinand de Saussure and other descriptive linguists began studying the spoken language. They collected a large sample of sentences produced by native speakers of a language and classified their material starting with phonology and working their way to syntax.
Generative, or transformational, grammarians of the second half of the 20th century, such as Noam Chomsky, studied the knowledge that native speakers possess which enables them to produce and understand an infinite number of sentences. Whereas descriptivists like Saussure examined samples of individual speech to arrive at a description of a language, transformationalists first studied the underlying structure of a language. They attempted to describe the “rules” that define a native speaker’s “competence” (unconscious knowledge of the language) and account for all instances of the speaker’s “performance” (strategies the individual uses in actual sentence production). See generative grammar; transformational grammar.
The study of grammatical theory has been of interest to philosophers, anthropologists, psychologists, and literary critics over the centuries. Today, grammar exists as a field within linguistics but still retains a relationship with these other disciplines. For many people, grammar still refers to the body of rules one must know in order to speak or write “correctly.” However, from the last quarter of the 20th century a more sophisticated awareness of grammatical issues has taken root, especially in schools. In some countries, such as Australia and the United Kingdom, new English curricula have been devised in which grammar is a focus of investigation, avoiding the prescriptivism of former times and using techniques that promote a lively and thoughtful spirit of inquiry.

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