Indefinite articles A - An
作者:Cesar Mejia
1. Aspirated H
2. A hat
3. a-an
4. Attention, there are adjectives beginning with u- following the rule: Example. AN UNIMPORTANT CALL
4.1. The largest part of nouns and adjectives beginning with uni also take the indefinite article: Example. A UNICORN
5. http://www.agendaweb.org/exercises/grammar/articles-a-an - EXERCISE
6. 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.
7. Rule for the use o the consonant ¨H¨
8. A helicopter
9. A helicopter
10. A human
11. Unaspirated H
12. An hour
13. An honest man
14. An honor
15. An herb
16. The English indefinite articles are a and an. They refer to something unspecific. Here are example sentences.
17. Use.
18. 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.
19. Definition
20. Examples
21. I bought a car.
22. She saw an elephant.
23. They have an idea.
24. Do you have a pen?
25. A euro
26. For example
27. A European country
28. A eucalyptus tree
29. Bibliography: http://www.elearnenglishlanguage.com/blog/aprenda-ingles/gramatica/articulo-indefinido/