Vowels and Consonants

Vowels and Consonants | English Speaking Course Notes
• Foundation Module 1 / Topic 8

Every spoken word in English is created by combining special sounds. Among the 26 letters of the English alphabet, our sounds are divided into two main groups: Vowels and Consonants. Understanding how these two work together is the true secret to clear pronunciation and fluent speaking.

"The human voice is the organ of the soul."
- Henry Wadsworth Longfellow

1. What are Vowels?

Vowels are open and free sounds produced without any blockage in the mouth or throat. Out of 26 letters, there are exactly 5 vowels:

Letters: A, E, I, O, U

Every single English word requires at least one vowel sound to form its core pronunciation.

2. What are Consonants?

Consonants are sounds produced by partially or completely blocking the airflow using our teeth, tongue, lips, or roof of the mouth. There are 21 consonants in total:

Letters: B, C, D, F, G, H, J, K, L, M, N, P, Q, R, S, T, V, W, X, Y, Z.

3. Why Vowels and Consonants Matter for Speaking

Knowing the difference between vowels and consonants helps us build clear syllables, pronounce words accurately, and correctly use basic grammar rules (such as choosing between "a" and "an").

  • Use 'An' before Vowel Sounds: e.g., an apple, an elephant
  • Use 'A' before Consonant Sounds: e.g., a book, a car
The 5 Vowels Open sounds: A, E, I, O, U
The 21 Consonants Airflow blocked by lips/teeth/tongue.
Sound & Speech Forms clear words and correct articles.

Now that you have completed all foundational topics, you have built a powerful bedrock for your spoken English journey.

Note: We will further explore this topic in Articles.

Now it’s your turn—share your thoughts in the comments below!

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