1. One and ones
One is a pronoun used to replace a singular countable noun, so as to avoid unnecessary repetition.
![](https://course.lewolang.com/upload/imatges/grammar/a2/13-01-es.jpg)
- I've bought these two lipsticks.
![](https://course.lewolang.com/upload/imatges/grammar/a2/13-02-es.jpg)
- I like both but the purple one is gorgeous.
However, we will use ones to replace plural countable nouns.
![](https://course.lewolang.com/upload/imatges/grammar/a2/13-03-es.jpg)
- Whose are these socks?
![](https://course.lewolang.com/upload/imatges/grammar/a2/13-04-es.jpg)
- The big ones are mine.
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2. How are one and ones used?
These particles are used according to specific structures:
WHICH ONE
![](https://course.lewolang.com/upload/imatges/grammar/a2/13-05-es.jpg)
Which one do you want? (apple)
WHICH ONES
![](https://course.lewolang.com/upload/imatges/grammar/a2/13-06-es.jpg)
Which ones do you want? (apples)
THIS / THAT ONE
![](https://course.lewolang.com/upload/imatges/grammar/a2/13-07-es.jpg)
This one is blue and that one is red. (teddy bear)
THESE / THOSE ONES
![](https://course.lewolang.com/upload/imatges/grammar/a2/13-08-es.jpg)
These ones are blue and those ones are red. (teddy bears)
THE ONE
![](https://course.lewolang.com/upload/imatges/grammar/a2/13-09-es.jpg)
The one on the left is more expensive. (dress)
THE ONES
![](https://course.lewolang.com/upload/imatges/grammar/a2/13-10-es.jpg)
The ones on the right are more expensive. (shoes)
THE + ADJECTIVE + ONE
![](https://course.lewolang.com/upload/imatges/grammar/a2/13-11-es.jpg)
The big one is a Dane and the small one is a Puli. (dog)
THE + ADJECTIVE + ONES
![](https://course.lewolang.com/upload/imatges/grammar/a2/13-12-es.jpg)
Which gloves do you like best, the white ones or the red ones?
A/AN + ADJECTIVE + ONE
![](https://course.lewolang.com/upload/imatges/grammar/a2/13-13-es.jpg)
His car is very old. He needs a new one.
SOME + ADJECTIVE + ONES
![](https://course.lewolang.com/upload/imatges/grammar/a2/13-14-es.jpg)
If you want tomatoes, I have some very good ones.
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Remember!
The pronoun one is used to replace a singular countable noun. However, we use the pronoun ones when we replace plural countable nouns.
Singular | Plural |
---|---|
Which one? | Which ones? |
This / that one | These / those ones |
The one | The ones |
The + adjective + one | The + adjective + ones |
A/an + adjective + one | Some + adjective + ones |
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