| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] [art] [adj] workers [unc] | 8 |
|
| 2 | [vb pp] [prep] [art] [adj] workers [unc] | 7 |
|
| 3 | [vb pp] [prep] [art] workers [unc] [noun] | 6 |
|
