| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [num] year old | 164 |
|
| 2 | [prep] a [num] year old | 164 |
|
| 3 | on [art] [num] year old | 11 |
|
| 4 | on [art] [num] year old | 11 |
|
| 5 | on a [num] year [adj] | 10 |
|
| 6 | on a [num] year old | 8 |
|
| 7 | on a [num] [noun] old | 7 |
|
| 8 | on a [num] year old | 7 |
|
| 9 | on a [num] year old | 7 |
|
| 10 | on a [num] [noun sg] old | 7 |
|
| 11 | on a [adj] year old | 7 |
|
