| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] [be] [verb] [prep] | 1008 |
|
| 2 | who [vb past] [be] [v-ing] [prep] | 179 |
|
| 3 | [pron] [vb past] [be] working [prep] | 103 |
|
| 4 | who [verb] [be] working [prep] | 29 |
|
| 5 | [Wh pn] [vb past] [be] working [prep] | 14 |
|
| 6 | who [vb past] [be] working [prep] | 14 |
|
| 7 | who [vb past] [be] work [prep] | 14 |
|
| 8 | who [vb past] [be] working [prep] | 14 |
|
