| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been working [prep] [noun] | 31 |
|
| 2 | has been [prep] this [noun] | 20 |
|
| 3 | been working [prep] this [noun] | 15 |
|
| 4 | has been working [prep] this | 5 |
|
