| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what have been [vb pp] so [adv] | 24 |
|
| 2 | what have been [vb pp] so far | 22 |
|
| 3 | what has been [vb pp] so [adv] | 22 |
|
| 4 | what have been said so [adv] | 9 |
|
