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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




hi! Is it grammatically correct to say "The job of the government accountants intrigued me the most as they are said to be THE ONES who manage and monitor public funds, maintain fiscal transparency, and combat white-collar crimes and other fraudulent activities."

Hello shnx,

Yes, 'the ones' is used correctly in this sentence. I'd suggest putting a comma after 'the most' and before 'as' -- when 'as' means 'because', we generally put a comma before it.

All the best,


The LearnEnglish Team

Hello, I got confused with this sentence.

Those four volcanoes are one of the most active.

Hello Melvin1234,

I'm not surprised you got confused. The sentence is not grammatical.

You could say this:

Those four volcanoes are some of the most active (in the region/in the world etc)



The LearnEnglish Team

Hi, Is it possible to use one or ones after a numeral?, for instance
London has 3 advantages, Berlin 2 ones and Paris 4 ones

Hi Illia Zhurakivsky,


One is a pronoun and we don't use pronouns after numbers. So, just as we don't say 'three theys' or 'four yous', so we don't use 'one' after numbers.



The LearnEnglish Team

Hi guys ,


Is it grammatically correct to say for example?

There is no certainty, only adventure. Hope good one's ahead.

I'm not sure is it possible to short IS to 's in this case and if possible explain me could we always short IS to 's like HE IS five , He's five

Hi 19Dd21,

There's no problem with the contraction of is, but the sentence is not grammatical for other reasons. You could say something like this:

I hope a good one's ahead.

I hope there's a good one ahead.



The LearnEnglish Team

Hello sir,sorry,how to use could and would,thank you