| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have been [verb] [prep] [noun prp] | 226 |
|
| 2 | who have been [v-ing] [prep] [noun prp] | 38 |
|
| 3 | [pron] have been working [prep] [noun prp] | 25 |
|
| 4 | who have been working [prep] [noun] | 9 |
|
| 5 | who have be working [prep] [noun prp] | 7 |
|
| 6 | [Wh pn] have been working [prep] [noun prp] | 7 |
|
| 7 | who have been work [prep] [noun prp] | 7 |
|
| 8 | who have been working [prep] [noun prp] | 7 |
|
| 9 | who have [be] working [prep] [noun prp] | 7 |
|
| 10 | who have [been] working [prep] [noun prp] | 7 |
|
| 11 | who have been working [prep] [noun prp] | 7 |
|
| 12 | who [verb] been working [prep] [noun prp] | 7 |
|
