| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] of working [prep] [det] [noun] | 15 |
|
| 2 | [noun sg] of working [prep] [det] [noun] | 11 |
|
| 3 | of [noun] working [prep] [det] [noun] | 12 |
|
| 4 | of [noun pl] working [prep] [det] [noun] | 9 |
|
