| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have been [prep] | 651 |
|
| 2 | who [verb] been [prep] | 651 |
|
| 3 | [pron] has been [prep] | 587 |
|
| 4 | who [vb -s] been [prep] | 156 |
|
| 5 | who has [been] [prep] | 122 |
|
| 6 | who has been [prep] | 122 |
|
| 7 | who has [be] [prep] | 122 |
|
| 8 | who has be [prep] | 122 |
|
| 9 | [Wh pn] has been [prep] | 122 |
|
