| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] year ['s] [noun] | 1256 |
|
| 2 | [prep] [num] year ['s] | 813 |
|
| 3 | [prep] [num] year [noun] | 700 |
|
| 4 | [prep] [num] ['s] [noun] | 147 |
|
| 5 | [prep] year ['s] [noun] | 27 |
|
