| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb base] n't been [adv] | 6 |
|
| 2 | [Wh pn] have n't been [adv] | 6 |
|
| 3 | [Wh pn] [vb base] n't been [adv] | 5 |
|
