Pronouns and determiners: one, ones, ones, the ones, one of, other, the others, another
In English, we use “one,” “the one,” and “ones” not to repeat the noun that has been mentioned before.
Why don’t you use my pen?
– No, I have got one.
A: I would like to have an orange juice, please.
B: I’d like to have one, too, please.
I liked those flowers, and I want to buy one.
ones, the ones
Which trainers will you wear in the match?
– I will wear the old ones.
These passengers are the ones I saw in the same street yesterday.
One of the passengers had forgotten his ticket, so he couldn’t get on the plane.
One of my teachers left the school.
other, the others
I had other things to do, so I couldn’t do homework.
Call other people in the class, too.
I don’t care what the others think of me.
I didn’t like this pizza, but I liked the other.
I am looking for my another pencil.
Last month, he found another job. He is happier in this job.