| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [vb past] been working [prep] [pron] | 8 |
|
| 2 | [noun prp] had be working [prep] [pron] | 8 |
|
| 3 | [noun prp] [vb past] be working [prep] [pos pn] | 5 |
|
