| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have been working on | 52 |
|
| 2 | [noun sg] have been working on | 22 |
|
| 3 | [noun prp] have been working on | 20 |
|
| 4 | [noun] has been working on | 17 |
|
| 5 | [noun] had been working on | 17 |
|
| 6 | [noun] have been working on | 16 |
|
| 7 | [noun pl] have been working on | 10 |
|
