| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [noun] [vb mod] have been [adj] | 7 |
|
| 2 | which [noun] [modal v] have been [adj] | 7 |
|
| 3 | which [noun] [modal v] have been [adj] | 7 |
|
| 4 | which [noun] [modal v] have been [adj] | 7 |
|
