cameron Campbell

Profesor de inglés


How to Use One & Ones in English

Video Transcription

Hi everyone!

Today I want to help you with some pronouns as I had a question from one of my students
that was when do we use this and when do we use this one, and the same with that: when do we use that and when do we use that one.

So first of all when do we use this one?

It's very very easy.

We basically say one because we want to
make the word shorter. 

It's avoiding using unnecessary repetition.

Right, let's look an example because this is the easiest way to demonstrate it.

If someone said to me can you please pass me a tin of cat food?

Ok, well I've looked and there's two tins of cat food ok, so I'm not sure
which tin of cat food they want.

Do they want this tin of cat food, or do they want this tin of cat food?
Now what do you notice?

I've had to say tin of cat food so many times, so it's a lot of effort, there's lots of words and it's
just a bit much to say.

But I can simply replace tin of cat food, I can replace the noun, with one.
Do you want this one or this one?

So, can you pass me a tin of cat food?

This one or this one?


Another example.

Let's look at pens ok.

Now I know the word pen is short but you could say pen
or you could say one, just whatever you prefer out of habit.

Me, I would probably say one.

If someone said to me, can I borrow a pen?

Well I have three. I don't know what they want.

Do they want yellow pink or orange?

So I'm going to say which one?

And then they might say to me, I want that one, or I
want the yellow one, or I want the orange one, whatever.

Ok, for the plural, if someone said can I borrow your pens, not pen, pens.

I might hold them up and say, these ones? 

Ok, so rather than just one, these ones.

Add an S to one.

When would we say this or that on its own?

Well we would say when or that on its own if I have not specified
something or I don't know the name of something.

As an example, if I was in a shop, let's say it's a bakery. There's different types of cakes.

I'm not from the UK, I have no idea what they call each cake.

I can point and say, I want that or I want this.

I hope that helps guys and I will see you soon.

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