| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what has been [vb pp] to | 19 |
|
| 2 | what has [be] [vb pp] to | 19 |
|
| 3 | what has be [vb pp] to | 19 |
|
| 4 | what has [been] [vb pp] to | 19 |
|
