| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [adv] a year | 191 |
|
| 2 | in [noun] [adv] a | 96 |
|
| 3 | in [noun] a year | 30 |
|
| 4 | in [adv] a year | 9 |
|
