Order the reasoning: pick the right article
Exercise and reference answers
- Steps
- Find the noun the article will stand with
- Ask whether the reader knows which particular one is meant
- If they do, the definite article is right
- If any one of the class would do, use the indefinite
- Choose 'a' or 'an' to suit the sound that follows
Explanation
Ask whether the reader already knows which one you mean. Source: An English Grammar, Baskervill and Sewell (1896), public domain.