| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] be work [prep] | 14 |
|
| 2 | [Wh pn] [vb past] be working [prep] | 14 |
|
| 3 | [Wh pn] [vb past] been work [prep] | 14 |
|
| 4 | [Wh pn] had be work [prep] | 12 |
|
| 5 | [Wh pn] [vb past] be work in | 6 |
|
| 6 | [Wh pn] [vb past] be work on | 5 |
|
