| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [num] year [unc] [noun] | 14 |
|
| 2 | [verb] [num] year [unc] experience | 13 |
|
| 3 | [vb -s] [adj] year [unc] experience | 8 |
|
| 4 | [vb -s] [num] [noun] [unc] experience | 6 |
|
