| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [num] year [unc] experience | 31 |
|
| 2 | [adv] [num] year ['s] experience | 31 |
|
| 3 | [adv] [num] year ' experience | 28 |
|
| 4 | [adv] [num] years [unc] experience | 28 |
|
| 5 | [adv] [num] year ' experience | 28 |
|
| 6 | over [num] year [unc] experience | 15 |
|
| 7 | least [num] year [unc] experience | 6 |
|
| 8 | [adv] 20 year [unc] experience | 6 |
|
