| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [adv] have been | 4599 |
|
| 2 | [vb mod] [adv] have [det] | 833 |
|
| 3 | [vb mod] have been [det] | 370 |
|
| 4 | [adv] have been [det] | 181 |
|
