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'one' and 'ones'

Level: beginner

We use one (singular) and ones (plural):

See those two girls? Helen is the tall one and Jane is the short one.
Which is your car, the red one or the blue one?
My trousers are torn. I need some new ones.

See those two girls? Helen is the one on the left.
Let's look at the photographs – the ones you took in Paris.

after which in questions:

You can borrow a book. Which one do you want?
Which ones are yours?

one and ones 1


one and ones 2




With one and one's, what about the use of them in sentences as follows:

One rarely greets the Queen without bowing first.

It is unusual to bow to one's friend, however.

Hello John Murray,

'One's' is simply the possessive 's at the end of the pronoun.

'One' as a pronoun is used in a very formal style to mean 'a person'.

Best wishes,


The LearnEnglish Team

Hello Sir,
I have a question regarding comparatives actually, that are mentioned here.

In one sentence above, it is written:
Helen is the TALL one and Jane is the SHORT one (instead of taller and shorter)

and in a sentence in the exercise on this page, it is written:
The YOUNGER one is old and the OLDER one is seven (instead of young and old)

Please tell me why there is such discrepancy in these sentences.

Thank you

Hello adtyagrwl3,

In the first example both 'tall' and 'taller' are possible, and 'short' and 'shorter'. If we say 'tall' then we are simply describing a characteristic of Helen; if we say 'taller' then we are comparing her to someone else.

In the second example there is a similar choice. We can describe a general characteristic ('young') or compare the person with someone else ('younger').

Best wishes,


The LearnEnglish Team

Thank you, Sir.

Exercise...a perfect one

Should the sentence ‘I hope this holiday will be one to remember.’ be 'I hope this holiday will be one to be remembered.’? If both of them are right, could you please tell me the difference? Thank you very much indeed.


Hi Echo,

Grammatically, one is active and one is passive, but there is no difference in meaning or use.

Best wishes,


The LearnEnglish Team

I need to know which is the correct choice;.
Which socks do you wear? The black ( one / ones ) .

Thank u

Hello Kaz,

'sock' is the singular form and 'socks' is a plural form. Likewise, 'one' is a singular form and 'ones' is plural. The two should match.

I hope this helps you find the correct answer.

Best wishes,
The LearnEnglish Team