The correct definition of "a" and "an."

 The correct definition of "a" and "an."

The correct definition of these articles is to refer to a non-specific or unknown noun, and they are always placed before a singular noun. They do not necessarily mean "any example of something." But they also mean ' any example of something.'

A spider has eight legs.

A CD costs more money than a cassette.

I'd like a cup of coffee.

Here are some examples of how to use "a" and "an" correctly:

• Can I have a pencil? (referring to any pencil)
• He's an engineer. (referring to any engineer)
• She bought a car. (referring to any car)
• I need an umbrella because it's raining. (referring to any umbrella)
• A doctor helps sick people. (referring to any doctor)

Exercise: Fill in the blanks with "a" or "an" in the following sentences:

1. She is looking for ___ apartment to rent.
2. He wants to buy ___ new phone.
3. I saw ___ airplane flying in the sky.
4. She needs ___ jacket because it is cold outside.
5. He is ___ artist and paints beautiful pictures.

Answer Key:

1. an
2. a
3. an
4. a
5. an