Indefinite articles A - An

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Indefinite articles A - An by Mind Map: Indefinite articles A - An

1. The English indefinite articles are a and an. They refer to something unspecific. Here are example sentences.

2. Aspirated H

3. A hat

4. Use.

5. In general, the indefinite article a is used in front of nouns and adjectives that begin with a consonant . The indefinite article an is used in front of nouns and adjectives that begin with a vowel . However, there are a few exceptions. Nouns and adjectives that begin with eu– require the indefinite article a.

6. Definition

7. a-an

8. Examples

9. I bought a car.

10. She saw an elephant.

11. They have an idea.

12. Do you have a pen?

13. A euro

14. For example

15. A European country

16. A eucalyptus tree

17. Attention, there are adjectives beginning with u- following the rule: Example. AN UNIMPORTANT CALL

17.1. The largest part of nouns and adjectives beginning with uni also take the indefinite article: Example. A UNICORN

18. http://www.agendaweb.org/exercises/grammar/articles-a-an - EXERCISE

19. In the examples below, notice that the letter H has two forms. The aspirated form requires an expulsion of air. The unaspirated form is completely silent which means there is no expulsion of air so the letter H contributes no sound to the spoken word. It is as if the H does not exist. Therefore, the noun requires the indefinite article an.

20. Rule for the use o the consonant ¨H¨

21. A helicopter

22. A helicopter

23. A human

24. Unaspirated H

25. An hour

26. An honest man

27. An honor

28. An herb

29. Bibliography: http://www.elearnenglishlanguage.com/blog/aprenda-ingles/gramatica/articulo-indefinido/