Mô tả

BÀI 7. ÔN TẬP VỀ NGUYÊN ÂM
Review of vowels
 

Nguyên âm trong âm tiết tiếng Việt

The vowels in Vietnamese syllable

Vowels are a speech sound produced by human beings when the breath flows out through the mouth without being blocked by the teeth, tongue or lips:

- A short vowel is a short sound as in the word 'cup'.

- A long vowel is a long sound as in the word 'shoe'.

The vowel system in the Vietnamese language has eleven nuclei monophthong vowels: i, ê, e, ư, ơ, â, a, ă, u, ô, o and three nuclei diphthongs: iê/ia, ươ/ưa, uô/ua.

♦ Vietnamese monophthong vowels equivalent to English are arranged as following chart:

♦ The Position and elevation of the tongue are presented in the following chart:

- The monophthongs can be front (i, ê, e), mid (ư, ơ, â, a, ă), and back (u, ô, o).

- They can be high (i, ư, u), mid (ê, ơ, â, ô), and low (e, a, ă, o), depending on the extent to which the tongue rises in the direction of the palate.

- The lips are rounding when producing three rounded vowels u, ô, o, and the diphthong uô/ua.

♦ Triangle of vowels The nuclei vowels in Vietnamese are represented in the triangle on the basis of the part of the tongue that is raised and the position of the tongue toward the palate.

♦ Lưu ý (Notes):

- The difference between ê and e, and ô and o is based on the elevation of the tongue; that between u and ư is the lips rounded and unrounded.

-  The vowel /i/ can be written as i or y in the following cases:

- There are 3 diphthongs in the Vietnamese language: iê, uô, ươ. Each diphthong can be written in two different ways, depending on the presence or absence of a final sound. As for iê, there are two additional ways to write it depending on whether there is a preceding accompaniment or not.