| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been [vb pp] | 5959 |
|
| 2 | [vb mod] have [vb pp] this | 309 |
|
| 3 | have been [vb pp] this | 137 |
|
| 4 | [vb mod] have been this | 16 |
|
