| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pers pn] was working [prep] | 17 |
|
| 2 | when i was working [prep] | 9 |
|
| 3 | when [pers pn] was working on | 7 |
|
| 4 | when he was working [prep] | 6 |
|
