| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] years | 23108 |
|
| 2 | [prep] [adj] [unc] | 16943 |
|
| 3 | [adj] years [unc] | 1485 |
|
| 4 | [prep] years [unc] | 36 |
|
