| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been working [prep] this [noun sg] | 15 |
|
| 2 | been working [prep] this [noun] | 15 |
|
| 3 | been working on this [noun] | 7 |
|
| 4 | been working in this [noun] | 6 |
|
