Grammar review worksheet on articles for English language learners, featuring exercises to identify and use "a," "an," and "the" correctly.

Grammar Review: Articles

#### Task Overview:
The worksheet focuses on understanding and using articles in English. Articles are words used before nouns to clarify the noun. The main articles in English are:
- "a": Used before a word that starts with a consonant sound.
- "an": Used before a word that starts with a vowel sound.
- "the": Used to specify a particular noun.

#### Instructions:
1. Underline the articles in the following sentences.
2. Write an article in the blanks to complete the sentence.
3. Put the correct article, "a" or "an," in the blank.

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Solution:

#### Part 1: Underline the articles in the following sentences.
We need to identify and underline the articles ("a," "an," "the") in each sentence.

1. Her cat caught the large mouse.
- Underlined: the

2. The window was open only an inch.
- Underlined: the, an

3. A tired student is not a good student.
- Underlined: A, a

4. When does the train for New York leave the station?
- Underlined: the, the

5. Let the teacher know the minute you have an answer.
- Underlined: the, the, an

6. Does a big dog have as long a tail as a little dog?
- Underlined: a, a

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#### Part 2: Write an article in the blanks to complete the sentence.
We need to fill in the blanks with the appropriate article ("a," "an," "the").

1. ________ best times to see ________ stars is at night.
- Filled: The, the

2. ________ good friend tells you ________ truth.
- Filled: A, the

3. My favorite snack is ________ apple.
- Filled: an

4. It was ________ unusual time to sleep on ________ couch.
- Filled: an, the

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#### Part 3: Put the correct article, "a" or "an," in the blank.
We need to choose between "a" and "an" based on whether the following word starts with a consonant sound or a vowel sound.

1. ________ dog
- Filled: a (dog starts with a consonant sound)

2. ________ otter
- Filled: an (otter starts with a vowel sound)

3. ________ pumpkin
- Filled: a (pumpkin starts with a consonant sound)

4. ________ unicorn
- Filled: a (unicorn starts with a consonant sound)

5. ________ experience
- Filled: an (experience starts with a vowel sound)

6. ________ yellow umbrella
- Filled: a (yellow starts with a consonant sound)

7. ________ hour
- Filled: an (hour starts with a vowel sound)

8. ________ house
- Filled: a (house starts with a consonant sound)

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Final Answers:

#### Part 1: Underlined Articles
1. Her cat caught the large mouse.
2. The window was open only an inch.
3. A tired student is not a good student.
4. When does the train for New York leave the station?
5. Let the teacher know the minute you have an answer.
6. Does a big dog have as long a tail as a little dog?

#### Part 2: Completed Sentences
1. The best times to see the stars is at night.
2. A good friend tells you the truth.
3. My favorite snack is an apple.
4. It was an unusual time to sleep on the couch.

#### Part 3: Correct Articles
1. a dog
2. an otter
3. a pumpkin
4. a unicorn
5. an experience
6. a yellow umbrella
7. an hour
8. a house

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Final Boxed Answer:

\boxed{
\text{See solutions above.}
}