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المرجع الالكتروني للمعلوماتية

Grammar

Tenses

Present

Present Simple

Present Continuous

Present Perfect

Present Perfect Continuous

Past

Past Simple

Past Continuous

Past Perfect

Past Perfect Continuous

Future

Future Simple

Future Continuous

Future Perfect

Future Perfect Continuous

Parts Of Speech

Nouns

Countable and uncountable nouns

Verbal nouns

Singular and Plural nouns

Proper nouns

Nouns gender

Nouns definition

Concrete nouns

Abstract nouns

Common nouns

Collective nouns

Definition Of Nouns

Animate and Inanimate nouns

Nouns

Verbs

Stative and dynamic verbs

Finite and nonfinite verbs

To be verbs

Transitive and intransitive verbs

Auxiliary verbs

Modal verbs

Regular and irregular verbs

Action verbs

Verbs

Adverbs

Relative adverbs

Interrogative adverbs

Adverbs of time

Adverbs of place

Adverbs of reason

Adverbs of quantity

Adverbs of manner

Adverbs of frequency

Adverbs of affirmation

Adverbs

Adjectives

Quantitative adjective

Proper adjective

Possessive adjective

Numeral adjective

Interrogative adjective

Distributive adjective

Descriptive adjective

Demonstrative adjective

Pronouns

Subject pronoun

Relative pronoun

Reflexive pronoun

Reciprocal pronoun

Possessive pronoun

Personal pronoun

Interrogative pronoun

Indefinite pronoun

Emphatic pronoun

Distributive pronoun

Demonstrative pronoun

Pronouns

Pre Position

Preposition by function

Time preposition

Reason preposition

Possession preposition

Place preposition

Phrases preposition

Origin preposition

Measure preposition

Direction preposition

Contrast preposition

Agent preposition

Preposition by construction

Simple preposition

Phrase preposition

Double preposition

Compound preposition

prepositions

Conjunctions

Subordinating conjunction

Correlative conjunction

Coordinating conjunction

Conjunctive adverbs

conjunctions

Interjections

Express calling interjection

Phrases

Sentences

Clauses

Part of Speech

Grammar Rules

Passive and Active

Preference

Requests and offers

wishes

Be used to

Some and any

Could have done

Describing people

Giving advices

Possession

Comparative and superlative

Giving Reason

Making Suggestions

Apologizing

Forming questions

Since and for

Directions

Obligation

Adverbials

invitation

Articles

Imaginary condition

Zero conditional

First conditional

Second conditional

Third conditional

Reported speech

Demonstratives

Determiners

Direct and Indirect speech

Linguistics

Phonetics

Phonology

Linguistics fields

Syntax

Morphology

Semantics

pragmatics

History

Writing

Grammar

Phonetics and Phonology

Semiotics

Reading Comprehension

Elementary

Intermediate

Advanced

Teaching Methods

Teaching Strategies

Assessment

قم بتسجيل الدخول اولاً لكي يتسنى لك الاعجاب والتعليق.

EARLY CONTRIBUTORS to phonetics

المؤلف:  Parviz Birjandi

المصدر:  AN INTRODUCTION TO PHONETICS

الجزء والصفحة:  C1-P1

2026-06-28

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EARLY CONTRIBUTORS to phonetics

The earliest contributions to phonetics were made more than 2000 years ago by Sanskrit scholars such as the grammarian Panini in the 400s who dealt with articulation to keep the pronunciation of ancient rituals unchanged. The first phonetician of the modern world was Dane J. Matthias, author of De Litteris (1586). English mathematician John Wallis, who instructed deaf-mutes, was the first to classify vowels, in 1653, according to their place of articulation. The vowel triangle was invented in 1781 by C. F. Hellwag from Germany. Ten years later, Austrian mechanician Wolfgang von Kempelen invented a machine that produced speech sounds. German physicist Hermann Helmholtz, who wrote Sensations of Tone (1863), inaugurated the study of acoustic phonetics. Frenchman Abbé Jean Pierre Rousselot pioneered in experimental phonetics.

 Late in the 19th century, the theory of the phoneme was advanced by Jan Baudouin de Courtenay from Poland and Ferdinand de Saussure from Switzerland. In the United States, linguist Leonard Bloomfield and anthropologist and linguist Edward Sapir contributed greatly to the phonetic theory. Linguist Roman Jakobson developed a theory of the universal characteristics of all phonemic systems. Perhaps Ferdinand de Saussure (1857-1913), a Swiss linguist, has provided the clearest ideas about phonetics. His book Memoir on the Original Vowel System in the Indo-European Languages (1879) is an important work on the vowel system of Proto-Indo European—considered the parent language from which the Indo-European languages descended.

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