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

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one and ones 2

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Comments

what is the meaning of the question - "who did you see?"
is this same as "whom did you see?"

and i've heard that "DO" is not used in questions starting with who, what and which as their subject.
ex: what happened?

and "DO" is used if - who, what and which is object of the sentence (question).

could you please explain them with few examples...... Thank you.....

KRISHNA

Hi Krishna,

The word whom is used to refer to the object of a verb, but is rarely used in informal modern English. So the two questions you ask about mean the same thing, but the first one is the way this question is asked most of the time.

What you write about the auxiliary verb do in questions is correct. Continuing with the example you gave, in the following questions:

Who did you see at the cafe?  (who is the object and you is the subject of the verb)
Who saw you at the cafe?  (who is the subject and you is the object of the verb)

If you have any further questions, please don't hesitate to ask us.

Best wishes,

Kirk
The LearnEnglish Team

Thank you sir for your valuable reply.....

i love this topic :)

it's great

its really helped for who want to knows what the diffrence between one and ones

Did you mean it's helpful? :)

hii!! thanks 4 ur working it is really verry interesting & nice

iam little bit confused about using article one of those
may i ask what's is the rght one between one of those factories are soybean factory or one of those factories is soybean factory?
thanks

Hello yun samaniah,
The clue is in the phrase: 'one of those...' tells us that you are talking about one thing, not many, so the verb should be singular:
'One of those factories is a soybean factory.'
You need an indefinite article as well because it is the first time it has been mentioned.  If you had talked about the soybean factory before then you might say 'the'.  For example:
'I work in a soybean factory.  One of those factories is the soybean factory.'
I hope that clears it up for you.
Best wishes,
 
Peter
The LearnEnglish Team

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