| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been working [prep] [noun] | 112 |
|
| 2 | have been working on [prep] | 19 |
|
| 3 | have been on [prep] [noun] | 8 |
|
| 4 | been working on [prep] [noun] | 5 |
|
