| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] [to-vb] [noun] | 333 |
|
| 2 | [Wh det] have been [vb pp] [to-vb] | 81 |
|
| 3 | [Wh det] have been [vb pp] [noun] | 10 |
|
| 4 | [Wh det] have [vb pp] [to-vb] [noun] | 8 |
|
