| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have been [verb] [prep] | 262 |
|
| 2 | who have been [v-ing] [prep] | 57 |
|
| 3 | [pron] have been working [prep] | 48 |
|
| 4 | who have been working [prep] | 29 |
|
| 5 | who [verb] been working [prep] | 29 |
|
| 6 | who [vb base] been working [prep] | 6 |
|
| 7 | who have be working [prep] | 6 |
|
| 8 | who have been working [prep] | 6 |
|
| 9 | who have [been] working [prep] | 6 |
|
| 10 | who have [be] working [prep] | 6 |
|
| 11 | who have been work [prep] | 6 |
|
| 12 | [Wh pn] have been working [prep] | 6 |
|
| 13 | who have been working [prep] | 6 |
|
