| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [adv] [adv] a | 361 |
|
| 2 | [adv] [adv] a year | 326 |
|
| 3 | [noun] [adv] a year | 192 |
|
| 4 | [noun] [adv] a year | 191 |
|
