| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who has been [adv] [verb] | 39 |
|
| 2 | who has [been] [adv] [verb] | 39 |
|
| 3 | who has [be] [adv] [verb] | 39 |
|
| 4 | who has be [adv] [verb] | 39 |
|
| 5 | who has [be] [adv] [vb pp] | 37 |
|
