what are consonants and how are they used.

Consonants are those letters that are NOT vowels: a, e, i, o, u. Sometimes y is used as a consonant and sometimes it's used as a vowel.

This site has more information about consonants.

http://www.wisegeek.com/what-is-a-consonant.htm

consonants are the letters of the alphabet except for a,e,i,o,u.

Correct! absolutely!

Consonants are speech sounds that are produced when the airflow from your mouth is obstructed in some way by your lips, tongue, teeth, or other parts of your vocal apparatus. They contrast with vowels, which are produced without any significant obstruction of the airflow.

Consonants are used in language to form the majority of the sounds that make up words. They play a crucial role in the formation of different syllables and words. Here's how consonants are used:

1. Consonant sounds contribute to the syllable structure of words. In most languages, a syllable consists of a vowel sound (called the nucleus) along with preceding or following consonant sounds (called the onset and coda, respectively). For example, in the word "cat," the "c" and "t" are consonants that form the onset and coda of the syllable, while the "a" is the vowel sound.

2. Consonants help differentiate between words. Different consonant sounds can change the meaning of a word. For instance, the "b" sound distinguishes between "bat" and "cat," while the "m" sound differentiates "mat" and "cat."

3. Consonants are essential for the articulation of speech. They help shape the sounds of words and sentences. By combining different consonant sounds with vowels, we form spoken language.

To identify consonants in a word or sentence, follow these steps:

1. Look for any letters in the word or sentence, excluding vowels (a, e, i, o, u, and sometimes y).

2. Pay attention to the sounds produced by those letters when spoken. For example, in the word "dog," the letters "d" and "g" represent consonant sounds.

Remember to practice and familiarize yourself with the different consonant sounds in your language to better understand how they are used in speech.