5,What is the history of phraseological units?

3.What are the five organs of speech and their functions?
The organs of speech, also known as the articulators, are the parts of the mouth and throat that work together to produce speech sounds. The five main organs of speech and their functions are: Lips, teeth, tongue, alveolar ridge, palate.1. Lips - The lips are used to produce bilabial sounds like /p/, /b/, and /m/. They also play a role in shaping other speech sounds. 2. Teeth - The teeth are not directly involved in producing speech sounds, but they provide support to the lips and tongue and help shape some speech sounds. 3. Tongue - The tongue is the primary articulator and is used to produce a wide range of speech sounds. It has several parts, including the tip, blade, front, middle, and back, that are used to shape different speech sounds. 4. Alveolar Ridge - The alveolar ridge is a bony ridge behind the upper teeth. It is used to produce alveolar sounds like /t/, /d/, and /n/.5. Palate - The palate, also known as the roof of the mouth, is divided into two parts: the hard and soft palate. The hard palate is used to produce palatal sounds like /k/ and /g/, while the soft palate is used to produce velar sounds like /k/ and /ɡ/ and to regulate airflow through the nose. These five organs work together to produce speech sounds that are critical to language and communication.
4.What is the function or role of each part of speech?
The different parts of speech have different functions or roles. Here are the functions of each: 1. Nouns: These are words that name people, animals, places, things, or ideas. They can be subjects of sentences, objects of verbs, or objects of prepositions. Example: The cat sat on the mat. 2. Pronouns: These are words that take the place of nouns. They can be used in place of a noun to avoid repetition and are used to indicate possession, gender, or case. Example: She gave it to me. 3. Adjectives: These are words that describe or modify nouns or pronouns, giving them more information about their size, shape, color, or any other quality. Example: The red car is mine. 4. Verbs: These are words that express an action or state of being. Verbs can indicate tense, aspect, mood, or voice. Example: He runs in the park every morning. 5. Adverbs: These are words that modify verbs, adjectives, or other adverbs, indicating time, place, manner, frequency, or degree. Example: She sings beautifully. 6. Prepositions: These are words that show the relationship between a noun or pronoun and other words in a sentence. Example: The book is on the table. 7. Conjunctions: These are words that connect words, phrases, or clauses. Example: He is tall and handsome. 8. Interjections: These are words that express strong emotions or feelings and are used to interrupt or emphasize. Example: Wow! That's amazing!