| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [noun prp] [noun prp] have been working | 5 |
|
| 2 | [coord] [noun] [noun prp] have been working | 5 |
|
| 3 | [coord] [noun prp] [noun] have been working | 6 |
|
| 4 | [coord] [noun prp] [noun prp] have been working | 5 |
|
