| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] year ['s] | 5390 |
|
| 2 | [num] year ['s] | 1409 |
|
| 3 | four [noun] ['s] | 207 |
|
| 4 | four year [unc] | 86 |
|
| 5 | four year ['s] | 78 |
|
