| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have been working [prep] | 151 |
|
| 2 | we have been working [prep] | 33 |
|
| 3 | [noun] we have been [prep] | 20 |
|
| 4 | [noun] we have been working | 13 |
|
