| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] [det] year ['s] | 487 |
|
| 2 | [noun] [prep] a [det] year | 172 |
|
| 3 | [noun] [prep] a year ['s] | 47 |
|
| 4 | [prep] a [det] year ['s] | 29 |
|
