| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb base] [pers pn] [vb mod] have been | 13 |
|
| 2 | [adv] [vb base] it [vb mod] have been | 7 |
|
| 3 | [adv] [vb base] it [vb mod] have been | 7 |
|
| 4 | [adv] [vb base] [pron] could have been | 7 |
|
| 5 | [adv] [vb base] [pron] would have been | 5 |
|
