The document discusses definite and indefinite articles in English. It explains that the indefinite articles "a" and "an" are used before consonant and vowel sounds, with "an" used before words beginning with voiced letters and "a" used before voiceless letters or consonant sounds. The definite article "the" is used to refer to specific or defined nouns whether they are singular or plural forms.

1. Definite and
Indefinite
ARTICLES

2. INDEFINITE ARTICLES

3. BEFORE CONSONANT SOUND
A bicycle
One bicycle

4. A
A
A

5. BEFORE VOWEL SOUND
An elephant
One elephant

6. AN
AN

7. Voiced H
A
A

8. Voiceless H
An
An

9. Let’s try...
A
An
An
An
A
A

10. Let’s try...
A
A
AAn
An An

11. DEFINITE ARTICLE
The
The

12. The
The
DEFINITE ARTICLE - SINGULAR

13. DEFINITE ARTICLE - PLURAL
The
The