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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




Can you please explain the grammar of ONE in the following sentences and which one is rigt or wrong
Jude, he is a one
Jude, he is the one

Hello Jude

Both sentences are grammatically correct but mean different things. What is the idea that you want to express here? The first one would suggest a score of 1 on a scale of numbers, for example 1 to 10. The second suggests he is the one chosen to do or be something.

All the best


The LearnEnglish Team

Recognize the people, the ones who are with you when you are alone and the ones who call you when they are alone.

Is the use of ones correct in this sentence?

Hello sNjay PursNani

Yes, it is. Well done!

All the best


The LearnEnglish Team

could you please clarify two cases regarding usage of 'one/ones' for me:
1. Can we use constructions like 'I wanted to eat one apple but ate two ones instead'
In particular, is it correct to say 'two ones' (with 'ones' acting as a substitute of the noun), or we should just use 'two'?
2. 'I wanted to eat one apple but ate two of them instead'. Can this sentense with 'two of them' be used instead of the prevoius one, or it has a different meaning?

Hello Rhyna,

We would not say 'two ones'. We would most likely say just 'two', but 'two of them' is also possible.



The LearnEnglish Team

Hello Peter,
thanks for a quick reply!
It may be off-topic for this thread, but now I see I made one more systematic mistake in my comment above. Both my questions in there have two parts divided by 'or', and each part is a separate sub-question.
"Can we use... or we should just use". I suppose the second part should also have the reverse word order ('should we use') like in regular questions.
Am I right?
I'm a Russian speaker, and in Russian all questions have the normal word order like in affirmative sentences, so it may be confusing. And when I make such a type of questions, with two individual questions in it separated by 'or', the second part always sounds a bit affirmative to me, as if I was convinced that the answer to it would be positive:)

Hello Rhyna,

Yes, you are right. Both parts should be phrased as questions:

Can I use... or should I use... ?


Well done!



The LearnEnglish Team

Hello ! I have a question about the first sentence: Is it wrong if I say :
The younger is four and the older is seven (without ''one'').
Thank you in advance .

Hello Abfalter Cristian,

In English, adjectives are not used to substitute nouns in the way they are in some other languages. I don't know Romanian, but in Spanish, for example, using an adjective in this way is common.

So in the first sentence, the best thing is to use 'one' in both gaps. You might be able to find examples where this rule is not followed, but in general I would not recommend it.

All the best,
The LearnEnglish Team