What Part of Speech is One [ Pronoun, Adjective, Number ]

In English, the word “one” can be a pronoun, adjective, or number. One can be a numeral, a pronoun, a noun or an adjective. Each of these parts of speech has a distinct purpose and function in the English language.

Pronoun

As a pronoun, “one” is used to refer to a person or thing that has already been mentioned or is known. It can be used to replace a noun in a sentence.

For example:

  • “I have two siblings, one sister and one brother.” (referring to a person that has already been mentioned)
  • “She has two cats, one black and one white.” (referring to a thing that has already been mentioned)
  • “He has two cars, one sedan and one SUV.” (referring to a thing that has already been mentioned)
  • “We have two houses, one in the city and one in the countryside.” (referring to a thing that has already been mentioned)
  • “They have two pets, one dog and one cat.” (referring to a thing that has already been mentioned)

What Part of Speech is One

Adjective

As an adjective, “one” is used to describe a person or thing as being a particular person or thing.

For example:

  • “I am the one who did it.” (describing a person as being a particular person)
  • “She is the one who told me.” (describing a person as being a particular person)
  • “He is the one who called.” (describing a person as being a particular person)
  • “This is the one I want.” (describing a thing as being a particular thing)
  • “That is the one they need.” (describing a thing as being a particular thing)

Number

As a number, “one” is used to indicate the quantity of one. It is the first number in the counting sequence (1, 2, 3, etc.).

For example:

  • “I have one apple.” (indicating the quantity of one)
  • “She has one car.” (indicating the quantity of one)
  • “He has one dog.” (indicating the quantity of one)
  • “We have one house.” (indicating the quantity of one)
  • “They have one child.” (indicating the quantity of one)

Conclusion:

In conclusion, One can be used in a variety of ways in the English language. It can be used as a numeral, pronoun, noun or adjective to express quantity, replace words, refer to an individual or thing and describe something. Understanding how to use one correctly is essential for speaking and writing effectively.

FAQs

1. Is one an adjective or a noun?

Answer: One can be both an adjective and a noun.

2. What kind of noun is one?

Answer: One is usually used as a cardinal number to indicate quantity, as well as being used as a pronoun to replace another word or phrase.

3. Is one a pronoun or determiner?

Answer: One is commonly used as a pronoun, though it can also be used as a determiner.

4. What pronoun is used for one?

Answer: The pronoun for one is itself, i.e. ‘one’.

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