| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] year | 891 |
|
| 2 | a [adj] year old | 383 |
|
| 3 | [prep] a [adj] old | 333 |
|
| 4 | [prep] [adj] year old | 129 |
|
