# Thread: A Three Year Child

1. ## A Three Year Child

Now that we can say a three hour time , a three mile distance,
or a three year plan ,why can't we say a three year child?
Thanks!

2. ## Re: A Three Year Child

The duration of the child is not three years; its age is.

3. ## Re: A Three Year Child

Originally Posted by notletrest
Now that we can say a three hour time , a three mile distance,
or a three year plan ,why can't we say a three year child?
Thanks!

How far is the distance?
It's three miles.

How long is the plan?
It's three years.

How old is the child?
He's three years old.

As you can see, in the first two examples, the reply doesn't need any more words. In the third, we simply don't say "He's three years", we always "xxx years old" when talking about age. The pattern follows when you turn it into "three-mile walk", "three-year plan", but "three-year-old child".

4. ## Re: A Three Year Child

Originally Posted by emsr2d2
How far is the distance?
It's three miles.

How long is the plan?
It's three years.

How old is the child?
He's three years old.

As you can see, in the first two examples, the reply doesn't need any more words. In the third, we simply don't say "He's three years", we always "xxx years old" when talking about age. The pattern follows when you turn it into "three-mile walk", "three-year plan", but "three-year-old child".
Can we say a three years child to express the child whose age is three years.I came across the sentences,"My age is twenty years. My age is twenty."
Thanks a lot!

5. ## Re: A Three Year Child

Originally Posted by notletrest
Can we say a three years child to express the child whose age is three years.I came across the sentences,"My age is twenty years. My age is twenty."
Thanks a lot!
You can use the number alone, without the word "years" and it's fine.

I'm 23.
I'm 23 years old.
NOT: I'm 23 years.

Saying "My age is..." would normally just be followed by the number too.

My age is 23.

We wouldn't say that very often though.

6. ## Re: A Three Year Child

Originally Posted by emsr2d2
You can use the number alone, without the word "years" and it's fine.

I'm 23.
I'm 23 years old.
NOT: I'm 23 years.

Saying "My age is..." would normally just be followed by the number too.

My age is 23.

We wouldn't say that very often though.
I see. Thank you and 5jj.

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