Using A Or An in Sentence: Article Worksheet

Choosing between “a” and “an” in a sentence can sometimes be tricky, especially for new learners of English. These two tiny words, called articles, play a big role in grammar. They help us identify whether the noun that follows begins with a vowel sound or a consonant sound. Understanding when using a or an in sentences clearer and more accurate. In this guide, we’ll explain the rules, provide examples, and answer some common questions about using “a” and “an” in sentences.

Article Worksheet for 1st Grade

article worksheet

Name:——–

Date: ———

Article

“A” is used before words that start with a consonant sound. An:

“An” is used before words that start with a vowel sound.

Complete the sentence with A  or An

  • have ___ apple.
  • She is ___ artist.
  • He has ___ dog.
  • There is ___ umbrella.
  • I want ___ ice cream.
  • She is ___ astronaut.
  • We saw ___ elephant.
  • He is ___ actor.
  • There is ___ apple.
  • She has ___ umbrella.
  • He wants ___ orange.
  • I saw ___ elephant.
  • She is ___ engineer.
  • He is ___ architect.
  • They saw ___ eagle.
  • We need ___ egg.
  • She wants ___ elephant.
  • He is ___ athlete.
  • I saw ___ owl.
  • She has ___ octopus.
  • He is ___ ant.
  • I want ___ orange.
  • She is ___ actress.
  • They saw ___ onion.
  • I have ___ orange.
  • He is ___ apple

Worksheet:2

Re Using A Or An in Sentence

 

 

Frequently Asked Questions About Using A or An in Sentence

1. When Should You Use “A” in a Sentence?

Use “a” before words that begin with a consonant sound. The sound, not the letter, determines whether “a” is the correct article. For example:

  • Correct: I saw a dog in the park.
  • Correct: She has a unique idea (here, “unique” begins with a “yoo” sound, which is a consonant sound).

2. When Should You Use “An” in a Sentence?

Use “an” before words that begin with a vowel sound (a, e, i, o, u). It’s important to focus on the sound of the word, not the spelling. For instance:

  • Correct: He ate an apple for breakfast.
  • Correct: I saw an honest man (the “h” in “honest” is silent, so it begins with a vowel sound).

3. What Happens When the Letter “H” Is Involved?

The letter “h” can be tricky because sometimes it’s silent, and other times it isn’t. If the “h” is silent, use “an.” If it’s pronounced, use “a.” Examples:

  • Correct: She gave me an hour to finish the task.
  • Correct: I read a history book last night.

4. What Is the Rule for Acronyms and Abbreviations?

When using acronyms or abbreviations, the first sound of the acronym determines whether to use “a” or “an.”

  • Correct: He is an FBI agent (the sound is “eff,” a vowel sound).
  • Correct: We need a USB cable for the computer (the sound is “yoo,” a consonant sound).

5. Can You Use “A” or “An” with Plural Nouns?

No, “a” and “an” are only used with singular, countable nouns. For plural nouns, use “some” or leave out the article. For example:

  • Incorrect: She has a apples.
  • Correct: She has some apples.

6. Why Does “A” or “An” Depend on Sound, Not Spelling?

English pronunciation doesn’t always match spelling. For example, “hour” starts with a vowel sound because the “h” is silent, so we use “an.” Paying attention to the sound ensures grammatical accuracy.

7. Are There Exceptions to These Rules?

While the rules are generally straightforward, some regional accents or specific phrases might slightly differ. However, sticking to the sound-based rule will make your writing and speech more standard and understood globally.


Mastering the use of “a” and “an” in sentences takes practice, but understanding these simple rules makes the process easier. Whether you’re writing or speaking, focusing on the sound of the word that follows will help you choose the correct article every time.