| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] a [det] [noun] | 2904 |
|
| 2 | [adv] a [adj] year | 420 |
|
| 3 | [adv] a [det] year | 251 |
|
| 4 | [adv] [art] [det] year | 239 |
|
