| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that have been [vb pp] [adv] | 470 |
|
| 2 | have been [vb pp] [adv] on | 281 |
|
| 3 | that have been [vb pp] on | 90 |
|
| 4 | that have [vb pp] [adv] on | 18 |
|
