| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] year [unc] [adj] | 122 |
|
| 2 | [num] year [unc] experience | 108 |
|
| 3 | year [unc] [adj] experience | 9 |
|
| 4 | [num] year [adj] experience | 7 |
|
