Class 4 worksheet focusing on articles in English grammar.

To solve the problem of filling in the suitable articles in the given sentences, we need to understand the rules for using a, an, and the. Here's a breakdown of each sentence with the appropriate article filled in:

Rules Recap:

1. "a" is used before words that start with a consonant sound.
2. "an" is used before words that start with a vowel sound.
3. "the" is used when referring to something specific or unique, or when the context makes it clear what is being referred to.

Solutions:

1. ____ man was sitting under ____ tree.
- "A man" (general reference to any man)
- "a tree" (general reference to any tree)
- Answer: A man was sitting under a tree.

2. ____ clouds float in ____ sky.
- "The clouds" (specific reference to clouds in general)
- "the sky" (unique entity)
- Answer: The clouds float in the sky.

3. Tina is ____ selfish girl.
- "a selfish girl" (general reference to Tina as a selfish girl)
- Answer: Tina is a selfish girl.

4. My mother told me ____ interesting story.
- "an interesting story" (interesting starts with a vowel sound)
- Answer: My mother told me an interesting story.

5. ____ Pacific Ocean is ____ big ocean.
- "The Pacific Ocean" (unique geographical entity)
- "a big ocean" (general reference to one of the large oceans)
- Answer: The Pacific Ocean is a big ocean.

6. The flight landed ____ hour ago.
- "an hour" (hour starts with a vowel sound)
- Answer: The flight landed an hour ago.

7. I live in ____ city. ____ city is very beautiful.
- "a city" (general reference to any city)
- "The city" (specific reference to the city mentioned earlier)
- Answer: I live in a city. The city is very beautiful.

8. ____ vegetarians don't eat meat.
- "Vegetarians" (plural noun; no article needed when referring to a group in general)
- Answer: Vegetarians don't eat meat.

9. ____ lion is ____ king of the animals.
- "The lion" (specific reference to lions as a group)
- "the king" (unique title)
- Answer: The lion is the king of the animals.

Final Answers:

1. A man was sitting under a tree.
2. The clouds float in the sky.
3. Tina is a selfish girl.
4. My mother told me an interesting story.
5. The Pacific Ocean is a big ocean.
6. The flight landed an hour ago.
7. I live in a city. The city is very beautiful.
8. Vegetarians don't eat meat.
9. The lion is the king of the animals.

Final Answer:
\boxed{
1. A man was sitting under a tree.
2. The clouds float in the sky.
3. Tina is a selfish girl.
4. My mother told me an interesting story.
5. The Pacific Ocean is a big ocean.
6. The flight landed an hour ago.
7. I live in a city. The city is very beautiful.
8. Vegetarians don't eat meat.
9. The lion is the king of the animals.
}