| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] had be working [prep] | 66 |
|
| 2 | [pers pn] had be working on | 14 |
|
| 3 | [pers pn] be working on [prep] | 10 |
|
| 4 | had be working on [prep] | 6 |
|
