| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been [prep] | 1264 |
|
| 2 | have been [prep] [det] | 780 |
|
| 3 | [vb mod] have been [det] | 370 |
|
| 4 | [vb mod] have [prep] [det] | 55 |
|
