A(An) vs. The

USE 9

A and AN are called indefinite articles. "Indefinite" means "not specific". Use A(AN) when you are talking about a thing in general, NOT a specific thing.

Examples:

  • I need a phone. Not a specific phone, any phone
  • Mark wants a bicycle. Not a particular bicycle, a bicycle in general
  • Do you have a driver's license? In general

Use A(AN) when talking about a thing which is new, unknown, or introduced to a listener for the first time. Also use A(AN) when you are asking about the existence of something.

Examples:

  • I have a car. The car is being introduced for the first time.
  • Tom is a teacher. This is new information to the listener.
  • Is there a dictionary in your backpack? Asking about the existence of the dictionary

Similarly, use A(AN) to introduce what type of thing we are talking about.

Examples:

  • That is an excellent book. Describing the kind of book
  • Do you live in a big house? Asking about the kind of house
  • I ate a thick, juicy steak. Describing the kind of steak

REMEMBER: You cannot use A(AN) with plural nouns because A(AN) means "one" or "a single".

Examples:

  • I saw a bears in Yellowstone National Park. Not Correct
  • I saw bears in Yellowstone National Park. Correct

USE 10

THE is called a definite article. "Definite" means "specific". Use THE when talking about something which is already known to the listener or which has been previously mentioned, introduced, or discussed.

Examples:

  • I have a cat. The cat is black.
  • There is a book in my backpack. The book is very heavy.
  • Do you know where I left the car keys? The listener knows which specific car keys you are talking about.
  • Do you own a car? Is the car blue? You assume they do have a car after asking about it in the first sentence.
  • Nobody lives on the Moon. The Moon is known to everyone.

IMPORTANT: You can use THE with both singular nouns and plural nouns.

Examples:

  • I saw the bear in Yellowstone National Park. Correct
  • I saw the bears in Yellowstone National Park. Correct

USE 11

Many clauses and phrases make the noun known to the listener by telling the listener which person or thing we are talking about. Let's look at an example sentence:

Can you give me the book on the table.

We use THE in this sentence because the phrase "on the table" tells the listener which book we are referring to. We are not talking about other books, we are talking about a specific book that the listener can see or already knows about. Learning to recognize such identifying clauses and phrases will help you use THE correctly.

Examples:

  • Did you read the book which I gave you?
  • He didn't like the movie that you suggested.
  • He loved the dessert with chocolate and cherries.
  • The phone on my desk belongs to Ken.
  • Did you know the man who was talking to Leonie?

HOWEVER: Not all clauses and phrases make the noun known to the listener. Some are simply descriptive. They add extra information, but they do not tell the listener which specific thing we are talking about.

Examples:

  • He bought the house with a big backyard. This combination tells the listener which specific house he bought.
  • He bought a house with a big backyard. This combination tells the listener what kind of house he bought, but not the specific house he bought.

Exercises Based on Uses 1 - 11

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